First-Round Book on ... Clayborn

With NFL Scouting's detailed breakdowns, we present the players who are possibilities for the Green Bay Packers with the 32nd pick of the first round. The third player in our series is Iowa defensive end Adrian Clayborn.

Adrian Clayborn

Defensive End

University of Iowa Hawkeyes

No. 94

6-foot-3, 287 pounds

St. Louis, Mo: Webster Groves High School

Clayborn joined Nebraska's Prince Amukamara as the top-rated senior prospects entering the 2010 season according to National Football Scouting. The leader of an imposing Hawkeyes front wall, Clayborn has the talent to line up at his current position – defensive end in a 4-3 alignment – as well as the demanding "five technique" position in a 3-4 alignment at the next level.

Clayborn plays with relentless effort. His non-stop motor saw him earn a "Hawkeyes Hustle" award for defense in 2009. While he may not be the most dynamic edge rusher, Clayborn has some of the strongest hands in the game and a jolting initial punch. His aggressive nature makes it difficult for offensive tackles to keep him out of the backfield. Last season, the first-team All-Big Ten Conference performer tied for ninth nationally with an average of 0.88 sacks per game, as he totaled 11.5 sacks for minus 87 yards. He also tallied a team-high nine quarterback hurries and an impressive 20.0 tackles-for-loss, the eighth-best total in the country.

With a big, thick build and great strength, Clayborn is tough to move off the ball and possesses the power to hold up against the opposition's ground attack. In 177 plays vs. the ground game in which he's produced tackles, Clayborn has limited opposing ball carriers to just 175 yards, as runners averaged a miniscule 0.99 yards per carry. He is an ideal fit at left defensive end for National Football League teams employing a 4-3 defense.

In 2006, a season in which Clayborn spent the year redshirting, the Hawkeyes defense ranked 57th nationally vs. the run (133.6 ypg) and 68th in total defense (343.77 ypg). The following season, the defensive end saw significant time as a reserve and the defense made improvements. The Hawkeyes rose to 24th vs. the run (122.0 ypg) and 36th in total defense (351.17 ypg).

Clayborn took over a starting role as a sophomore in 2008 and the unit became one of the nation's elite. Iowa ranked ninth vs. the ground game, giving up just 94.0 yards rushing per contest, and 12th in total defense (291.31 ypg). In 2009, the defense fell back to a respectable 34th vs. the run (123.62 ypg), but achieved a top-10 ranking in total defense (10th; 276.54 ypg). At the same time, the pass defense rose all the way from 47th in 2008 (197.31 ypg) to fourth in 2009 (152.92 ypg) while Clayborn, not coincidentally, had his most productive year as a pass rusher. In Clayborn's final season, the Iowa run defense achieved its highest ranking since his arrival, placing sixth nationally (101.54 ypg).

Clayborn was regarded as one of the nation's top defensive line prospects during his prep career at Webster Groves High School in St. Louis. He was a two-time all-state and all-conference selection and was ranked the second-best player in the state by Rivals.com, as that recruiting service rated him a four-star prospect and listed him as the eighth-best strongside defensive end in the country. Scout.com also rated him a four-star prospect while listing him as the 18th-best defensive end recruit nationally.

As a senior, Clayborn racked up 103 tackles with three sacks, a forced fumble and an interception from his linebacker position. He added 23 receptions for 418 yards (18.17 ypc) and six touchdowns as a tight end. He led his team to an 11-1 overall record and was named the Conference Player of the Year, as well as Missouri's State Player of the Year.

Clayborn received double-digit scholarship offers from universities all over the country, including Illinois, Indiana, Michigan State, Missouri, Nebraska and Texas Tech. Ultimately, he elected to sign with the Hawkeyes, citing an in-home visit as a key factor. "My mom just wanted to get to know the coaches to get a better idea of who I'll be with for the next four or five years," Clayborn said. "I've talked to Coach Ferentz before, but I wanted to see what she thought of him. She liked him a lot and she likes all of the coaches we've met at Iowa."

Clayborn enrolled at Iowa in 2006 and retained eligibility by redshirting as a first-year freshman. The next season, he was listed as a second team right defensive end following spring practice, lining up behind Kenny Iwebema. He was a key reserve along the defensive front and finished with 20 tackles (three solos), two sacks, 2.5 stops for losses, two quarterback pressures, a forced fumble, a pass deflection and a blocked field goal.

With the graduation of Iwebema in 2008, Clayborn seized a starting role at right defensive end. The sophomore started 11-of-13 games that season, and helped anchor a front four that ranked in the top-10 nationally against the run. He totaled 50 tackles (15 solos) with two sacks, eight stops for losses and a forced fumble, adding four pass deflections and two quarterback pressures.

Clayborn enjoyed a breakout season as a junior in 2009, starting every contest at right defensive end while serving as a permanent team captain. He delivered 70 tackles (36 solos) with 11.5 sacks and 20 stops for losses, as he added nine quarterback pressures, two pass deflections, four forced fumbles, a fumble recovery and a blocked punt returned for a touchdown.

Clayborn was a first team All-Big Ten Conference choice by the league's coaches and media and was named the National Defensive Performer of the Year by the College Football Performance Awards. He earned co-Big Ten Defensive Player of the Week honors vs. Michigan State after registering four tackles (three solos), two sacks, three stops for losses and a forced fumble.

Clayborn's most impressive outing came vs. Penn State in a game that catapulted him into the national spotlight. In the final frame, the Nittany Lions lined up in a tight punt formation from Iowa's 47. Clayborn rushed hard, blocked the kick and returned it 53 yards for a touchdown, giving the Hawkeyes the lead to lift them past the Lions. His heroic performance garnered Big Ten Special Teams Player of the Week honors, as well as AT&T All-America Player of the Week accolades.

Clayborn concluded his junior season with brilliant performance vs. Georgia Tech in the FedEx Orange Bowl. He contributed nine solos tackles with two sacks and was named the game's Most Outstanding Player, as his play was crucial in securing Iowa's first ever Bowl Championship Series victory.

Clayborn entered his senior season with national acclaim. He was named to preseason watch lists for the Rotary Lombardi Award (Top Defensive Lineman), Bednarik Award (Top Defensive Player), Ted Hendricks Award (Top Defensive End), Walter Camp Award (Player of the Year) and the Bronko Nagurski Trophy (Top Defensive Player).

The defensive end failed to match the production of his junior season, but still turned in a solid campaign with 52 tackles (19 solos), including 3.5 sacks and seven stops for losses. He added six quarterback pressures, a forced fumble and a pass deflection. Clayborn earned Big Ten Conference Defensive Player of the Week honors for his performance in a 24-3 victory over the Penn State Nittany Lions. The defensive end tallied a season-high 10 tackles (two solos) with one sack and three stops for losses.

Clayborn capped off his collegiate career by becoming the 21st Iowa Hawkeye to earn Consensus All-American honors and the first since Leroy Smith in 1991. He garnered a first-team All-Big 10 Conference choice for the second-straight season, and was the recipient of Iowa's Hayden Fry "Extra Heartbeat" Award.

Career notes


Adrian Clayborn
David K. Purdy/Getty Images
Clayborn started 37-of-50 games at right defensive end for Iowa, including his last 30…Recorded 192 tackles (73 solos) with 19.0 sacks for minus 155 yards and 37.5 stops for losses totaling 207 yards…Forced seven fumbles and recovered another…Also blocked two field goals and one punt, returning the blocked punt 53 yards for a score…

Clayborn made 177 tackles vs. the ground game, limiting those runners to 175 yards (0.99 ypc), allowing just 12 first downs and three attempts for 10 yards or longer, as he also posted 23 third-down hits, one more on fourth-down and 20 tackles inside the red zone, including 10 on goal-line plays…Delivered a total of 45 tackles-for-loss (solos/assists) and stopped ball carriers at the line of scrimmage for no gain 13 times…Made 14 tackles vs. the aerial attack, holding receivers to 44 yards (3.14 ypc) and two first downs on those receptions, as he made three third-down stops…Deflected eight passes, including one on a third-down…Added 19 quarterback pressures, including seven on third-downs and two more on fourth-downs…Also returned one kickoff for 19 yards.

2010 season

Consensus All-American (AFCA, Walter Camp, AP)…All-Big 10 Conference first-team selection…Finalist for the Ted Hendricks (Top Defensive End) and Rotary Lombardi (Top Defensive Lineman) Awards…Member of Watch Lists for the Bednarik (Top Defensive Player), Bronko Nagurski (Top Defensive Player) and Walter Camp Player of the Year Awards…Recipient of Iowa's Hayden Fry "Extra Heartbeat" Award…The defensive captain started the entire year at right defensive end, ranking ninth on the team with 52 tackles (19 solos)…Ranked third on the team and 15th in the conference with 3.5 sacks for minus 36 yards…Also placed third among Hawkeyes defenders with 7.0 stops for losses of 42 yards…Led a unit that ranked second in the league and sixth nationally, allowing just 101.54 yards per game on the ground…Forced one fumble and blocked one field goal attempt…Made 48 plays vs. the ground game, holding those ball carriers to 88 yards (1.83 ypc), as the defender limited those runners to five first downs while producing four third-down stops…Delivered six of those tackles inside the red zone, including four on goal-line plays, as he posted nine total stops (assist/solos) for loss and four tackles that brought down ball carrier at the line of scrimmage for no gain…Made four stops vs. the aerial attack, holding receivers to just one yard on those receptions (0.25 ypc), as he made one third-down stop…Deflected one pass and had six quarterback pressures, including two on third-down attempts…Earned Big Ten Conference Defensive Player of the Week vs. Penn State.

2010 game analysis

Eastern Illinois…Clayborn assisted on four tackles, including one stop for a loss in the 37-7 season-opening victory…In the third quarter, Clayborn helped Tyler Nielsen bring down wide receiver Lorence Ricks behind the line of scrimmage for a three-yard loss on a reception…Head to Head Competition-LT#69 Dominic Pagliara (6:06-292)…Clayborn Defensive Impact-The defender registered three stops vs. the ground game, holding runners to eight yards (2.67 ypc)…Added one stop vs. the aerial attack, holding the receiver to minus three yards on that reception…Part of a defense that allowed 65 yards rushing with no touchdowns on 24 carries (2.7 ypc) and 157 total yards on 44 snaps (3.57 avg).

Iowa State…Clayborn posted three tackles (two solos) with one stop for loss and two quarterback hurries in a 35-7 win…On Iowa State's first offensive play of the game, Clayborn met tailback Alexander Robinson in the backfield and took him down for a one-yard loss…On a third quarter third-&-4 inside the red zone, the defensive end pressured Austen Arnaud into throwing an interception…Head to Head Competition-LT#72 Kelechi Osemele (6:05-335)…Clayborn Defensive Impact-The defender registered three stops vs. the ground game, holding runners to six yards (2.0 ypc) and one first down…Added two quarterback pressures, with one coming on a third-down attempts…Part of a defense that allowed 78 yards rushing with no touchdowns on 25 carries (3.1 ypc) and 275 total yards on 69 snaps (3.99 avg).

Arizona…Clayborn was held to just three solo tackles as the Hawkeyes were upset by the Wildcats, 34-27...Head to Head Competition-LT#78 Adam Grant (6:06-325)…Clayborn Defensive Impact-The defender registered two stops vs. the ground game, holding runners to five yards (2.5 ypc) and one first down, as he made one third-down stop…Added one stop vs. the aerial attack, holding the receiver to five yards on that reception…Part of a defense that allowed 63 yards rushing with no touchdowns on 30 carries (2.1 ypc) and 366 total yards on 69 snaps (5.30 avg).

Ball State…The senior collected five tackles (one solo) as Iowa bounced back with a 45-0 rout of the Cardinals…Head to Head Competition-LT#77 Austin Holtz (6:05-296)…Clayborn Defensive Impact-The defender registered five stop vs. the ground game, holding runners to 15 yards (3.0 ypc)…Part of a defense that allowed 56 yards rushing with no touchdowns on 31 carries (1.8 ypc) and 112 total yards on 50 snaps (2.24 avg).

Penn State…Clayborn was named the Big 10 Conference Defensive Player of the Week after racking up 10 tackles (two solos) with one sack and three stops for losses in a 24-3 victory…In the opening quarter, he hit Evan Royster at the line of scrimmage on a third-&-3, stopping the tailback for no gain...A series later, Clayborn combined with Karl Klug to take down Royster for a one-yard loss…In the final frame, Clayborn sacked Rob Bolden for a 15-yard loss and then teamed with Mike Daniels and stopped Silas Redd for a two-yard loss on a reception…With 1:27 remaining in the contest, the senior brought down backup quarterback Kevin Newsome in the backfield for a two-yard loss…Head to Head Competition-LT#67 Quinn Barham (6:03-298)…Clayborn Defensive Impact-The defender registered nine stops vs. the ground game, holding runners to minus eight yards (-0.89 ypc) and one first down, as he made one third-down stop and took down three ball carriers at the line of scrimmage for no gain…Added one stop vs. the aerial attack, holding the receiver to minus two yards on that reception…Posted one of his hits inside the red zone…Part of a defense that allowed 54 yards rushing with no touchdowns on 23 carries (2.4 ypc) and 301 total yards on 65 snaps (4.6 avg).

Michigan…Clayborn contributed three tackles (one solo) with one assisted sack and blocked a kick in the 38-28 victory…In the second quarter, the defensive end bowled over a blocker and got his hand on a field goal attempt. Tyler Sash recovered the blocked kick for Iowa and returned it 37 yards, as Iowa scored a touchdown on the ensuing drive…In the final frame, Clayborn and Karl Klug made their way into the backfield and sacked Tate Forcier for a nine-yard loss…Head to Head Competition-LT#77 Taylor Lewan (6:08-294)…Clayborn Defensive Impact-The defender registered three stops vs. the ground game, holding runners to minus two yards (-0.67 ypc) and one first down, as he took down one defender at the line of scrimmage for no gain...Posted one of his hits inside the red zone…Part of a defense that allowed 187 yards rushing with two touchdowns on 42 carries (4.5 ypc) and 522 total yards on 86 snaps (6.1 avg).

Wisconsin…Clayborn had five tackles (five tackles) with one sack, a forced fumble and a quarterback pressure in a narrow 31-30 loss…In the second quarter, the defensive end sacked Scott Tolzien for a 14-yard loss, forcing the quarterback to fumble. Gabe Carimi recovered for the Badgers…Later in the second frame, he stopped Montee Ball short of a conversion on a third-&-20 reception…Head to Head Competition-LT#68 Gabe Carimi (6:07-327)…Clayborn Defensive Impact-The defender registered four stops vs. the ground game, holding runners to minus seven yards (-1.75 ypc), as he made one third-down stop…Added one stop vs. the aerial attack, holding the receiver to one yard on that reception, as he made one third-down stop…Part of a defense that allowed 142 yards rushing with three touchdowns on 38 carries (3.7 ypc) and 347 total yards on 64 snaps (5.4 avg).

Michigan State…The senior recorded three tackles (one solo) in a dominant 37-6 victory…In the second quarter, he stopped Le'Veon Bell short of a conversion on a third-&-12 carry…Head to Head Competition-LT#59 D.J. Young (6:05-298)…Clayborn Defensive Impact-The defender registered three stops vs. the ground game, holding runners to 12 yards (4.0 ypc), as he made one third-down stop…Part of a defense that allowed 31 yards rushing with no touchdowns on 20 carries (1.5 ypc) and 258 total yards on 59 snaps (4.4 avg).

Indiana…Clayborn had four tackles (two solos) and added one quarterback pressure in an 18-13 victory…In the fourth quarter, he pressured Ben Chappell into throwing an incompletion on a first-&-10 pass inside the red zone…Head to Head Competition-LT#72 Andrew McDonald (6:06-306)…Clayborn Defensive Impact-The defender registered four stops vs. the ground game, holding runners to 24 yards (6.0 ypc) and one first down…Part of a defense that allowed 91 yards rushing with one touchdown on 24 carries (3.8 ypc) and 313 total yards on 70 snaps (4.5 avg).

Northwestern…Clayborn had two solo tackles with one quarterback pressure, including one sack in a 21-17 losing effort…On the first play of the fourth quarter, the senior sacked Dan Persa for a two-yard loss…Head to Head Competition-LT#75 Al Netter (6:06-310)…Clayborn Defensive Impact-The defender registered two stops vs. the ground game, holding runners to no gain…Part of a defense that allowed 101 yards rushing with one touchdown on 39 carries (2.6 ypc) and 419 total yards on 82 snaps (5.1 avg).

Ohio State…Clayborn delivered seven tackles (two solos) with one quarterback pressure in a 20-17 loss…In the second quarter, the defensive end pressured Terrelle Pryor into throwing an incompletion on a third-&-6 attempt…Head to Head Competition-LT#75 Mike Adams (6:08-300)…Clayborn Defensive Impact-The defender registered seven stops vs. the ground game, holding runners to 27 yards (3.86 ypc)…Added a third-down quarterback pressure…Part of a defense that allowed 158 yards rushing with one touchdown on 36 carries (4.4 ypc) and 353 total yards on 69 snaps (5.1 avg).

Minnesota…Clayborn managed just two tackles (one solo) in a 27-24 loss…Head to Head Competition-LT#76 Dominic Alford (6:03-325)…Clayborn Defensive Impact-The defender registered two stops vs. the ground game, holding runners to six yards (3.0 ypc)…Part of a defense that allowed 216 yards rushing with three touchdowns on 46 carries (4.7 ypc) and 382 total yards on 73 snaps (5.2 avg).

Missouri (Insight Bowl)…The senior defensive end posted just one solo tackle as Iowa upset the Tigers, 27-24…Head to Head Competition-LT#72 Elvis Fisher (6:05-292)…Clayborn Defensive Impact-The defender registered one stop vs. the ground game, holding the runner to two yards…Part of a defense that allowed 78 yards rushing with two touchdowns on 29 carries (2.7 ypc) and 512 total yards on 86 snaps (6.0 avg).

2009 season


Adrian Clayborn
David K. Purdy/Getty Images
All-Big Ten Conference first-team selection from the league's coaches and media, adding third-team All-America honors from Phil Steele and honorable mention All-America from Pro Football Weekly…Recognized by the College Football Performance Awards as the National Defensive Performer of the Year…Received the Hawkeyes' Hustle Team Award for defense…The defensive captain started the entire year at right defensive end, ranking fifth on the team with 70 tackles (36 solos)…Led the Hawkeyes and ranked third in the conference and 10th nationally with 11.5 sacks for minus 87 yards…Also led the team with 20 stops for losses of 107 yards, the third-best total in the Big Ten and eighth-best in the country…Part of a unit that ranked fifth in the league and 34th nationally, allowing just 123.62 yards per game on the ground…Paced a front wall that ranked fifth in the Big Ten in sacks (2.38 spg) and sixth in tackles-for-loss (5.69 tpg)…Forced four fumbles and recovered another, as he blocked one kick for 53 yards and a touchdown…Made 69 plays vs. the ground game, holding those ball carriers to minus 5 yards (-0.07 ypc), as the defender limited those runners to just three first downs while producing 12 third-down stops and another on fourth-down…Delivered three of those tackles inside the red zone, including two on goal-line plays, as he posted 23 total stops (assist/solos) for loss and three tackles that brought down ball carriers at the line of scrimmage for no gain…Made one stop vs. the aerial attack, holding the receiver to just one yard on that reception, as he deflected two passes and added nine quarterback pressures, including three on third-downs and another on fourth-down…Named Big Ten Special Teams Player of the Week vs. Penn State and Big Ten co-Defensive Player of the Week vs. Michigan State…Named Most Outstanding Player vs. Georgia Tech in the 2010 FedEx Orange Bowl.

2009 game highlights

Northern Iowa…Clayborn opened the season with a four tackle performance (one solo) that included one stop for a loss and a quarterback hurry…In the first quarter, Clayborn pressured quarterback Pat Grace into throwing an incompletion on a third-&-9 attempt…Clayborn and linebacker Pat Angerer combined to stop Grace in the backfield for a one-yard loss in the third frame…Head to Head Competition-OT#75 Austin Howard (6:07-319)…Clayborn Defensive Impact-The defender registered four stops vs. the ground game, holding runners to three yards (0.75 ypc), as he took one ball carrier down at the line of scrimmage for no gain…Added one quarterback pressure on a third-down attempt…Part of a defense that allowed 84 yards rushing with no touchdowns on 32 carries (2.6 ypc) and 354 yards in total offense on 70 snaps (5.1 avg).

Iowa State…Clayborn made three stops (two solos) and deflected a pass in the 35-3 victory…Head to Head Competition-OT#72 Kelechi Osemele (6:05-298)…Clayborn Defensive Impact-The defender registered two stops vs. the ground game, holding runners to three yards (1.5 ypc)…Made one stop vs. the aerial attack, holding receivers to one yard on those receptions, as he added one pass deflection…Part of a defense that allowed 190 yards rushing with no touchdowns on 34 carries (5.6 ypc) and 303 yards in total offense on 65 snaps (4.7 avg).

Arizona…Clayborn terrorized Wildcats passers all day, racking up six tackles (three solo) with one sack, a forced fumble and three quarterback pressures in the 27-17 victory…In the final quarter, Clayborn sacked Nick Foles for an eight-yard loss, causing the quarterback to fumble the ball…"The defensive line as a whole is getting to the ball better than they have the past two games. We were better with our technique this week. The sky is the limit and we have a lot of season left to go and we can only get better."…Head to Head Competition-OT#74 Mike Diaz (6:05-320)…Clayborn Defensive Impact-The defender registered six stops vs. the ground game, holding runners to six yards (1.0 ypc), as he made one third-down stop…Part of a defense that allowed 148 yards rushing with no touchdowns on 25 carries (5.9 ypc) and 253 yards in total offense on 51 snaps (5.0 avg).

Penn State…Clayborn was named the Big Ten Special Teams Player of the Week and the AT&T all-America Player of the Week for his heroic performance in the 21-10 victory…The big defensive end finished with two assisted tackles and a blocked kick returned for a score…With 12 and a half minutes left in the game, the Nittany Lions lined up in a tight punt formation from Iowa's 47. The Hawkeyes didn't appear to have a punt-block on, but Clayborn rushed hard, blocked the kick and returned it 53 yards for a touchdown, giving the Hawkeyes an 11-10 lead with 12:21 left…" We knew it was going to come down to the last possession. We knew special teams were going to be big like every week. We've got to come out and play the system and play our D and play the way coach tells us to," Clayborn said after the game…Head to Head Competition-OT#73 Dennis Landolt (6:04-306)…Clayborn Defensive Impact-The defender registered two stops vs. the ground game, holding runners to three yards (1.5 ypc), as he posted one tackle inside the red zone…Part of a defense that allowed 109 yards rushing with no touchdowns on 33 carries (3.3 ypc) and 307 yards in total offense on 65 snaps (4.7 avg).

Arkansas State…The junior contributed two sacks and a forced fumble to go along with two quarterback hurries in the 24-21 victory…During a second quarter drive, Clayborn sacked Corey Leonard for a four-yard loss, forcing the quarterback to fumble…In the third frame, the defensive end pressured Leonard into throwing an incompletion on a third-&-6, as Arkansas State would turn the ball over on downs a play later after failing to convert a fourth-down…Clayborn added his final sack in the final period, hitting Leonard in the backfield for an eight-yard loss…Head to Head Competition-OT#67 Kiano Prater (6:03-292)…Clayborn Defensive Impact-The defender made two stops vs. the ground game, holding runners to minus 12 yards (-6.0 ypc)…Added a forced fumble and two quarterback pressures, including one on a third-down attempt...Part of a defense that allowed 80 yards rushing with no touchdowns on 25 carries (3.2 ypc) and 296 yards in total offense on 65 snaps (4.6 avg).

Michigan…Clayborn collected five tackles (two solos), including one stop for a loss, a fumble recovery and a quarterback pressure in the 30-28 victory…In the first quarter, the defender hit Brandon Minor behind the line of scrimmage for a one-yard loss before recovering a fumble by the tailback in the second frame…In the final period, Clayborn pressured quarterback Tate Forcier into throwing an incompletion on a third-&-14, forcing the Wolverines to punt…Head to Head Competition-OT#71 Mark Ortmann (6:07-284)…Clayborn Defensive Impact-The defender registered five stops vs. the ground game, holding runners to 14 yards (2.8 ypc) and one first-down, as he posted one tackle on a goal-line play…Added one fumble recovery and a quarterback pressure on a third-down attempt…Part of a defense that allowed 195 yards rushing with three touchdowns on 45 carries (4.3 ypc) and 319 yards in total offense on 68 snaps (4.7 avg).

Wisconsin…Clayborn led the way for a stingy Hawkeye front four as the Badgers, who entered the game boasting the conference's top rushing attack (200.67 ypg), were held to a season-low 87 yards on the ground…The junior racked up six tackles (three solos), including first quarter stop on tailback John Clay in the backfield for a two-yard loss and a sack on quarterback Scott Tolzien for a four-yard loss in the second frame…Head to Head Competition-OT#68 Gabe Carimi (6:07-315)…Clayborn Defensive Impact-The defender registered six stops vs. the ground game, holding runners to minus one yard (-0.17 ypc), as he took down one ball carrier at the line of scrimmage for no gain…Part of defense that allowed 87 yards rushing with one touchdown on 33 carries (2.6 ypc) and 230 yards in total offense on 58 snaps (4.0 avg).

Michigan State…Clayborn was named the Big Ten Conference's Co-Defensive Player of the Week for his four tackle (three solos) performance, which included three stops for losses, a pair of sacks and a forced fumble…In the second quarter, the junior sacked Kirk Cousins for a 10-yard loss on a third-&-2, forcing the Spartans to punt…He forced another punt in the third frame, as he again sacked the quarterback on a third-down, this time for a loss of nine yards…Later in the third, he stopped Larry Caper behind the line of scrimmage for a two-yard loss, forcing the running back to fumble…Head to Head Competition-OT#57 Rocco Cironi (6:06-309)…Clayborn Defensive Impact-The defender registered four stops vs. the ground game, holding runners to minus 20 yards and one first down (-5.0 ypc), as he made two third-down stops and forced a fumble…Part of defense that allowed 85 yards rushing on 30 carries (2.8 ypc) and 310 yards in total offense on 62 snaps (5.0 avg).

Indiana…The junior assisted on seven tackles, including one sack and three stops for losses in the 42-24 victory…Late in the opening quarter, Clayborn teamed with defensive tackle Karl Klug and stopped tailback Darius Willis behind the line of scrimmage for a four-yard loss…In the second frame, he combined with safety Tyler Sash for a two-yard stop for loss and assisted Klug on a sack of Mitchell Evans in the third period…Head to Head Competition…OT#76 Rodger Saffold (6:04.4-312)…Clayborn Defensive Impact…The defender registered seven stops vs. the ground game, holding runners to minus one yard (-0.14 ypc), as he posted one tackle inside the red zone…Part of defense that allowed 79 yards rushing with one touchdown on 27 carries (2.9 ypc) and 306 yards in total offense on 68 snaps (4.5 avg).

Northwestern…Clayborn recorded five tackles (two solo), including one sack, as well as one solo and one assisted tackles for losses…In the second quarter, Clayborn combined with Pat Angerer and stopped tailback Stephen Simmons behind the line of scrimmage for a one-yard loss…On a third-&-10 in the third period, he sacked quarterback Dan Persa for a six-yard loss, forcing the Wildcats to punt…Later in the third, he hit Persa in the backfield for a two-yard loss and then stopped Scott Concannon short of a conversion on a third-&-33…Head to Head Competition-OT#75 Al Netter (6:06-300)…Clayborn Defensive Impact-The defender registered five stops vs. the ground game, holding runners to minus one yard, as he made two third-down stops…Part of a defense that allowed 130 yards rushing with no touchdown on 49 carries (2.7 ypc) and 239 yards in total offense on 76 snaps (3.1 avg).

Ohio State…The junior racked up a season-high 12 tackles (eight solos), including one sack and three stops for losses…In the third frame, Clayborn sacked quarterback Terrelle Pryor for a 13 yard loss on a third-&-2, forcing the Buckeyes to punt...On the first play of the final period, he hit tailback Dan Herron behind the line of scrimmage for a three-yard loss…During the Buckeyes' next possession, Clayborn stopped Herron again, this time for a two-yard loss on a third-&-9, as Ohio State missed the ensuing field goal attempt…Head to Head Competition…OT#64 Jim Cordle (6:04-297)…Clayborn Defensive Impact…The defender registered 12 stops vs. the ground game, holding runners to six yards (0.5 ypc) and one first down, as he made three third-down stops, taking one ball carrier down at the line of scrimmage for no gain…Part of defense that allowed 229 yards rushing with three touchdowns on 51 carries (4.5 ypc) and 322 yards in total offense on 68 snaps (4.7 avg).

Minnesota…Clayborn capped off the regular season with a five tackle (one solo) performance that included one sack, an assisted stop for loss, two quarterback hurries, a forced fumble and a pass deflection…In the first quarter, the junior stopped quarterback Adam Weber short of a conversion on a third-&-3 rushing attempt, forcing the Gophers to punt…In the third frame, he sacked Weber for a seven-yard loss on a third-&-5, forcing the passer to fumble…In the final period, he stopped Weber in the backfield for a five-yard loss on a fourth-&-goal and then pressured in the quarterback into throwing an incompletion on another fourth-down attempt…Head to Head Competition…OT#76 Dominic Alford (6:03-336)…Clayborn Defensive Impact…The defender registered five stops vs. the ground game, holding runners to minus seven yards (-1.4 ypc), as he made two third-down stops and another on fourth-down…Added a pass deflection and two quarterback pressures, with one occurring on a fourth-down…Part of a defense that allowed 48 yards rushing with no touchdowns on 36 carries (1.3 ypc) and 201 yards in total offense on 78 snaps (2.6 avg).

Georgia Tech (FedEx Orange Bowl)…Clayborn was named the Orange Bowl's Most Outstanding Player, as he racked up nine solo tackles with two sacks in the 24-14 victory…On a third-&-22 in the first quarter, Clayborn sacked quarterback Josh Nesbitt for a two-yard loss, forcing Tech to punt…The defensive end closed out the first half by sacking the passer again, this time for a 14 yard loss, on the final play of the second quarter…Head to Head Competition…OT#60 Brad Sellers (6:02-257)…Clayborn Defensive Impact…The defender registered nine stops vs. the ground game, holding runners to two yards (0.22 ypc), as he made two third-down stops…Part of a defense that allowed 143 yards rushing with one touchdown on 41 carries (3.5 ypc) and 155 yards in total offense on 50 snaps (3.1 avg).


Iowa DL Adrian Clayborn — Christian Petersen/Getty Images

2008 season

Started 11-of-13 games at right defensive end, ranking 10th on the team with 50 tackles (15 solos)…Collected two sacks for minus 22 yards and ranked second on the Hawkeyes with eight stops for losses of 47 yards…Part of unit that ranked second in the Big Ten Conference and ninth nationally, allowing just 94.0 yards per game on the ground…Forced one fumble…Made 45 plays vs. the ground game, holding those ball carriers to 70 yards (1.55 ypc), as the defender limited those runners to just three first downs while producing five third-down stops…Delivered nine of those tackles inside the red zone, including three on goal-line plays, as he posted nine stops (assist/solos) for loss and four tackles that brought down ball carriers at the line of scrimmage for no gain…Made five stops vs. the aerial attack, holding receivers to just six yards (1.2 ypc) on those receptions, as he made one third-down stop and deflected four passes, including one on third-down.

2008 game highlights

Maine…The sophomore opened the season collecting a team-high eight tackles (two solo) and two pass deflections, including one solo and one assisted stops for losses in the first start of his career…Late in the first quarter, Clayborn combined with linebacker A.J. Edds and stopped quarterback Adam Farkes behind the line of scrimmage for a one-yard loss…In the third frame, he tackled Jhamal Fluellen after a reception before he was able to reach the line, this time for a loss of three yards…Head to Head Competition-OT#72 Tyler Eastman (6:06-321)…Clayborn Defensive Impact-The defender registered six stops vs. the ground game, holding runners to 15 yards (2.5 ypc)…Made two stops vs. the aerial attack, holding receivers to no yards (0.0 ypc) on those receptions, as he made one third-down stop…Part of a defense that allowed 137 yards rushing with no touchdowns on 35 carries (3.9 ypc) and 220 yards in total offense on 58 snaps (3.8 avg).

Florida International…Clayborn made six tackles (two solos), including a first quarter sack on quarterback Paul McCall for a loss of three yards…Head to Head Competition-OT#51 Ula Matavao (6:03-310)…Clayborn Defensive Impact-The defender registered five stops vs. the ground game, holding runners to three yards (0.6 ypc), as he took down one ball carrier at the line of scrimmage for no gain…Made one stop vs. the aerial attack, holding receivers to three yards (3.0 ypc) on those receptions…Part of a defense that allowed 56 yards rushing with no touchdowns on 27 carries (2.1 ypc) and 218 yards in total offense on 63 attempts (3.5 avg).

Iowa State…The defensive end recorded seven stops (one solo) in the 17-5 victory…Head to Head Competition-OT#75 Doug Dedrick (6:05-285)…Clayborn Defensive Impact-The defender registered seven stops vs. the ground game, holding runners to 22 yards (7.33 ypc), as he made one third-down stop and posted two hits inside the red zone…Part of a defense that allowed 73 yards rushing with no touchdowns on 27 carries (2.7 ypc) and 325 yards in total offense on 67 snaps

(4.9 avg).

Pittsburgh…Clayborn contributed two tackles (one solo) and a quarterback hurry as Iowa saw its three game win streak come to an end in the 21-20 loss…Head to Head Competition-OT#77 Jason Pinkston (6:04-305)…Clayborn Defensive Impact-The defender registered two stops vs. the ground game, holding runners to one yard (0.5 ypc), as he made one third-down stop and took down one ball carrier at the line of scrimmage for no gain…Part of a defense that allowed 130 yards rushing with three touchdowns on 37 carries (3.5 ypc) and 259 yards in total offense on 62 snaps (4.2 avg).

Northwestern…Clayborn assisted on seven tackles, including one stop for a loss, and deflected a pass in the 22-17 loss…In the third quarter, the junior teamed with Jacody Coleman to stop tailback Omar Conteh behind the line of scrimmage for a two-yard loss and then deflected a pass attempt by C.J. Bacher on third-&-goal a play later, as the Wildcats' drive would end in a missed field goal…Head to Head Competition-OT#75 Al Netter (6:06-300)…Clayborn Defensive Impact-The defender registered seven stops vs. the ground game, holding runners to 20 yards (2.86 ypc) and one first down, as he posted two tackles inside the red zone including one on a goal-line play…Added one pass deflection on a third-down attempt…Part of a defense that allowed 106 yards rushing with no touchdowns on 34 carries (3.1 ypc) and 390 yards in total offense on 79 snaps (4.9 avg).

Michigan State…The sophomore tallied three tackles (one solo), including a second quarter stop on tailback Javon Ringer behind the line of scrimmage for an eight yard loss on a goal-line carry...Head to Head Competition-OT#57 Rocco Cironi (6:06-309)…Clayborn Defensive Impact-The defender registered three stops vs. the ground game, holding runners to minus one yard (-0.33 ypc), as he posted one of his tackles on a goal-line play…Part of a defense that allowed 91 yards rushing with no touchdowns on 34 carries (2.7 ypc) and 275 yards in total offense on 58 snaps (4.7 avg).

Indiana…Clayborn assisted on one tackle in the 45-9 victory…Head to Head Competition-OT#76 Rodger Saffold (6:04.4-312)…Clayborn Defensive Impact-The defender registered one stop vs. the ground game, holding runners to 11 yards and one first down…Part of a defense that allowed 96 yards rushing with no touchdowns on 28 carries (3.4 ypc) and 286 yards in total offense on 64 snaps (4.5 avg).

Illinois…Clayborn assisted on two tackles and added a pass deflection in the 27-24 loss…Head to Head Competition-OT#78 Xavier Fulton (6:05-300)…Clayborn Defensive Impact-The defender registered two stops vs. the ground game, holding runners to two yards (1.0 ypc), as he made one third-down stop and took down one ball carrier at the line of scrimmage for no gain…Part of a defense that allowed 60 yards rushing with one touchdown on 28 carries (2.1 ypc) and 332 yards in total offense on 65 snaps (5.1 avg).

Penn State…Clayborn racked up six tackles (three solos), including one sack, two stops for losses and a forced fumble, as Iowa toppled the third-ranked Nittany Lions, 24-23…On the third play from scrimmage, the sophomore sacked Daryll Clark for a 19-yard loss on third-&-10, causing the quarterback to fumble at his own one-yard line. Clark recovered the fumble, but PSU was forced to punt the ball away the next play, giving the Hawkeyes excellent field position for a two-play touchdown drive that covered just 25 yards….On a third-&-1 in the final period, Clayborn hit tailback Evan Royster behind the line of scrimmage for a seven yard loss…Head to Head Competition-OT#61 Stefan Wisniewski (6:03-297)…Clayborn Defensive Impact-The defender registered six stops vs. the ground game, holding runners to minus nine yards (-1.5 ypc), as he made two third-down stops and posted two tackles inside the red zone…Part of a defense that allowed 180 yards rushing with two touchdowns on 46 carries (3.9 ypc) and 289 yards in total offense on 70 snaps (4.1 avg).

Purdue…The defensive end delivered six tackles (four solos) and one quarterback hurry, including two stops for losses, in the 22-17 victory…Early in the second quarter, Clayborn stopped tailback Ralph Bolden behind the line of scrimmage for a one-yard loss on a goal-line play, helping to keep the Boilermakers out of the end zone and hold them to a field goal…Purdue faced a third-&-5 on their next possession when Clayborn pressured quarterback Justin Siller into throwing an incompletion, forcing a punt…With just under two minutes remaining in the first half, Clayborn hit Jared Zwilling after a reception short of the line of scrimmage for a four-yard loss…Head to Head Competition-OT#75 Zach Reckman (6:05-297)…Clayborn Defensive Impact-The defender registered five stops vs. the ground game, holding runners to three yards (0.6 ypc), as he took down one ball carrier at the line of scrimmage for no gain and posted two tackles inside the red zone, including one on a goal-line play…Made one stop vs. the aerial attack, holding receivers to minus four yards on those receptions…Added one quarterback pressure on a third-down attempt…Part of a defense that allowed 86 yards rushing with no touchdowns on 32 carries (2.7 ypc) and 337 yards in total offense on 84 snaps (4.0 avg).

South Carolina (Outback Bowl)…Clayborn concluded the season with a two tackle (one solo) performance in the 31-10 victory…Head to Head Competition-OT#76 Jarriel King (6:05-310)…Clayborn Defensive Impact-The defender registered one stop vs. the ground game, holding runners to three yards and one first down…Made one stop vs. the aerial attack, holding receivers to nine yards on those receptions…Part of a defense that allowed 43 yards rushing with no touchdowns on 14 carries (3.1 ypc) and 313 yards in total offense on 64 snaps (4.9 avg).

2007 season

Played in 11 games as a reserve right defensive end behind Kenny Iwebema, as he finished with 20 tackles (three solos)…Totaled two sacks for minus 10 yards and 2.5 stops for losses of 11 yards…Delivered one blocked kick and a fumble recovery…Made 15 plays vs. the ground game, holding ball carriers to 22 yards (1.47 ypc), as the defender limited those runners to just one first down while producing two third-down stops…Delivered two of those tackles inside the red zone, including one on a goal-line play, as he posted four total stops (assist/solos) for loss and two tackles that brought down ball carriers at the line of scrimmage for no gain…Made four stops vs. the aerial attack, holding receivers to 36 yards (9.0 ypc) and two first downs on those receptions, as he made one third-down stop, broke up a pass and added two quarterback pressures, with one coming on a third-down and the other on a fourth-down…Also returned one kickoff for 19 yards.

2007 game highlights

Syracuse…In the fourth quarter, Clayborn teamed with Christian Ballard and took down tailback Derrell Scott behind the line of scrimmage for a two-yard loss in his collegiate debut…Head to Head Competition-OT#64 Corey Chavers (6:05-296).

Indiana…Clayborn combined with Chad Geary to stop Josiah Sears at the line of scrimmage for no gain on a third quarter goal-line play…He committed one personal foul penalty on a first quarter kickoff…Head to Head Competition-OT#76 Rodger Saffold (6:04.4-312).

Penn State…Stopped tailback Evan Royster on a four-yard rush in the third quarter and returned a kickoff 19 yards in the opening period…Head to Head Competition-OT#76 Gerald Cadogan (6:05-314).

Purdue…During a late third quarter drive, the freshman helped bring down Jaycen Taylor at the line of scrimmage for no gain before tackling tight end Dustin Keller on a 15-yard reception good for a first down…Head to Head Competition-OT#74 Sean Sester (6:07-325).

Michigan State…Clayborn had one of his most productive games as a redshirt freshman, collecting four tackles (one solo), including 1.5 sacks and a forced fumble…With just over a minute and a half remaining in the contest, the defender sacked Brian Hoyer for a six-yard loss and forced the quarterback to fumble in the process. The Spartans would continue the drive before settling for a field goal to tie the game at 20 and force overtime…In the second overtime period, Clayborn teamed with Bryon Gattas and sacked Hoyer for a seven-yard loss on a third-&-6 at the MSU 10-yard line, helping to preserve a Hawkeyes victory as the Spartans would fail to convert on fourth-down…Head to Head Competition-OT#75 Pete Clifford (6:07-312).

Northwestern…The freshman delivered four assisted tackles, including one sack, two quarterback hurries, a pass deflection and blocked kick in the 28-17 victory…During a first quarter drive, Clayborn pressured quarterback C.J. Bacher into throwing an incompletion on third-&-8, forcing the Wildcats to punt…With three seconds remaining in the first half, Northwestern lined up for a 34-yard field goal but had the attempt blocked by Clayborn…On the Wildcats final possession of the contest, Clayborn assisted in sacking Bacher for a one-yard loss on third-&-11 and then pressured the passer into throwing an incompletion a play later on fourth-down…Head to Head Competition-OT#74 Dylan Thiry (6:08-315).

Minnesota…Clayborn assisted on four tackles in the 21-16 victory…Head to Head Competition-OT#64 Steve Shidell (6:05-298).

Western Michigan…Clayborn concluded his freshman season by assisting on three tackles, as the Hawkeyes dropped their season finale, 28-19…Head to Head Competition-OT#67 Rob Johnson (6:04-338).

2006 season

Redshirted

Off-field issues

2009 Season…Clayborn was charged with assault causing bodily injury after he allegedly punched a taxi driver on Jan. 19, 2009. When the cabbie honked at him, police said Clayborn got out of his car, walked back to the taxi and hit the man. In March of 2010, Clayborn pleaded guilty to a lesser charge of disorderly conduct. The simple misdemeanor is described in court records as fighting or violent behavior. He was fined $100. The assault charge was dismissed. Clayborn was represented by attorney Matthew Petrzelka.

Injury report

No major injuries reported.

Campus agility tests

4.75 in the 40-yard dash…32 1/4-inch arm length…9 5/8-inch hands.

High school

Attended Webster Groves High School (St. Louis, MO.), where he was a four-year letterman on the gridiron for head coach Cliff Ice…The two-time first team all-state and all-conference selection recorded 240 tackles, five sacks, four forced fumbles and three interceptions on defense in his career…Totaled 42 receptions for 691 yards (16.45 ypc) and 10 touchdowns on offense…Racked up 103 tackles with three sacks, a forced fumble and an interception as a senior while earning all-state and all-conference honors as a linebacker and tight end…Named the Missouri and conference Player of the Year as a senior…Served as a team captain…Collected 78 tackles with two sacks, two forced fumbles and an interception as a junior…Registered 59 tackles with one sack, a fumble recovery and an interception as a Sophomore…Also a four-year letterman as a power forward on the basketball team…Given a four-star rating by Scout.com, as that recruiting service listed him as the 18th-best defensive end in the country…Rated a four-star prospect by Rivals.com, who ranked him as the eighth-best strongside defensive end in the nation and the second-best recruit in the state of Missouri…Chose to attend Iowa over scholarship offers from Illinois, Indiana, Michigan State, Missouri, Nebraska and Texas Tech.

Personal

Interdepartmental Studies major…One of seven seniors named to 2010 Leadership Group…One of one of four juniors named to 2009 Leadership Group…One of three sophomores named to 2008 Leadership Group…Parents are Tracie and Richard Clayborn…Born 7/6/88…Resides in St. Louis, Missouri.


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