***Navy (4-3): The Middies turned the football over three times and lost starting quarterback Kaipo-Noa Kaheaku-Enhada to a neck injury, in a 44-24 home loss to Wake Forest. The defeat snapped a three-game winning streak.
Kaheaku-Enhada was knocked out of the game in the second quarter with the score tied at 17. On the very next play, his replacement Jarod Bryant fumbled the ball, and it was recovered and returned for a seven-yard touchdown. The Demon Deacons scored 17 points off of Navy turnovers.
Navy host Delaware this weekend before coming to South Bend to play the Irish.
Interesting stats: Navy leads the nation in rushing (343 ypg), but is dead last in passing (99.57 ypg) and pass efficiency defense.
***Air Force (6-2, 5-1 Mountain West): The Falcons became bowl eligible for the first time since 2002, defeating Wyoming 20-12, last Saturday.
Bobby Giannini returned a fumble 85 yards for the game-winning score in the fourth quarter. Air Force forced five turnovers in the win.
Quarterback Shaun Carney continued his record-breaking season, throwing two touchdown passes in the victory. He now has 35 in his career. The second toss went to Mark Root, the younger brother of former Notre Dame tight end Matt Root.
Air Force's Ryan Harrison did miss three field goals. The Falcons play at New Mexico on Thursday night.
Interesting stats: The Falcons rank sixth nationally in rushing (259.88 ypg), but are second-to-last in passing yards (126.13).
***Duke (1-6, 0-4 ACC): The Blue Devils did not play last weekend. They travel to Florida State this Saturday.
Interesting stats: Duke ranks 118th nationally with 66.86 yards rushing per game. They are also giving up four sacks per game, ranking 116th nationally.
***Stanford (3-4, 2-3 Pac 10): The Cardinal won their second consecutive conference road game, coming from behind to beat Arizona, 21-20.
Jeremy Stewart scored on a one-yard run midway through the fourth quarter to give Stanford the lead.
Tavita Pritchard improved to 2-1 as the Cardinal's starting quarterback, completing 19-of-27 passes for 181 yards, one touchdown and two interceptions. Jason Evans rushed for 78 yards in replacing Anthony Kimble, who did not play with a shoulder injury.
Stanford plays at Oregon State on Saturday.
Interesting stats: The Cardinal do a good job of pressuring the quarterback, averaging three sacks per game, ranking 15th nationally. Their pass defense ranks 109th nationally at 286.14 yards given up per game.
***Georgia Tech (5-3, 2-3 ACC): The Yellow Jackets head into the bye week this weekend, fresh off a 34-10 victory over visiting Army. The week off couldn't come at a better time as Tashard Choice, Georgia Tech's top player and the ACC's leading rusher left the game with a knee injury.
Senior Rashaun Grant ran for 119 yards, his first game over the century mark since his freshman season. Grant left the game in the fourth quarter with an ankle injury, but said he is fine. Choice should be ready to go in two weeks as well.
Georgia Tech outscored Army 21-0 in the second half. Taylor Bennett threw for 207 yards and four different players rushed for touchdowns.
The Yellow Jackets return to action against No. 8 Virginia Tech on Nov. 1.
Interesting stats: Georgia Tech's pass offense ranks 107th nationally at 171.5 yards per game. The Yellow Jackets are first in the country in net punting, and seventh in scoring defense at 15.5 points per game.
***Penn State (6-2, 3-2 Big Ten): The 25th-ranked Nittany Lions spoiled Indiana's homecoming, beating the Hoosiers, 36-31 last Saturday. Penn State forced four turnovers and had four long touchdown drives in the win.
Penn State is now eligible to play in its 34th bowl game under Joe Paterno, the all-time leader in bowl appearances.
Sophomore defensive end Maurice Evans had six tackles, 4.5 coming for loss including 3.5 sacks, two forced fumbles, a fumble return for 55 yards and a pass breakup.
Quarterback Anthony Morelli was 22-of-32 passing for 195 yards, two touchdowns and one interception.
The Nittany Lions moved up to No. 24 in the rankings and host No. 1 Ohio State on Saturday night.
Interesting stats: Penn State is outscoring its opponents 91-14 in the second quarter. They rank first in the nation in sacks per game at 4.38, and fourth in scoring defense at 15 points per game. Evans is second in the nation in sacks per game at 1.31.
***Michigan (6-2, 3-0 Big Ten): Trailing by two scores most of the first half, the 24th-ranked Wolverines came back and broke a 17-17 tie in the fourth quarter, beating host Illinois, 27-17 last Saturday night.
On a gadget play, Adrian Arrington hit Mario Manningham for an 11-yard touchdown and the go-ahead score. Quarterback Chad Henne was 18-of-26 passing for 201 yards, and Manningham caught nine passes for 102 yards and two touchdowns.
Up to No. 19 in the poll, Michigan hosts Minnesota this weekend.
Interesting stats: Hart is now third nationally at 154 yards per game. Linebacker Shawn Crable ranks second nationally in tackle for loss at 2.44 yards per game.
***Michigan State (5-3, 1-3 Big Ten): The Spartans nearly came from behind to upset No. 1 Ohio State, but lost 24-17 in Columbus.
In the third quarter, Michigan State forced two turnovers and scored off both of them to make a game of it after digging an early hole against the Buckeyes. Trailing 24-0, Otis Wiley had a 54-yard interception return for a score, and SirDarean Adams ran back a fumble 25 yards for a touchdown, but Ohio State hung on for the win.
The Buckeyes had 422 yards of offense compared to Michigan State's 185 yards.
Michigan State is at Iowa on Saturday.
Interesting stats: Michigan State ranks third nationally in kickoff return yardage (28.14 avg.), third in tackles for loss (9.38 per game) and fourth in sacks at (3.88 per game).
***Purdue (6-2, 2-2 Big Ten): The Boilermakers bounced back from back-to-back losses against Ohio State and Michigan with a 31-6 home win over Iowa.
Purdue gained 431 yards of offense against the Hawkeyes defense that came into the game ranked 15th nationally.
Northwestern travels to Purdue this weekend.
Interesting stats: The Boilermakers rank 13th nationally with 298.13 passing yards per game. Their 35.75 points per game is good for 22nd in the country.
***UCLA (5-2, 4-0 Pac 10): Coming off a bye week and the 20-6 loss to Notre Dame the previous week, the Bruins remained undefeated in conference play, upsetting No. 10 California, 30-21.
UCLA is at Washington State on Saturday.
Interesting stats: The Bruins rush defense ranks eighth nationally, allowing only 79.57 yards per game.
***Boston College (7-0, 3-0 ACC): The Eagles were off this weekend and travel to No. 8 Virginia Tech on Saturday. With former No. 2 South Florida losing to Rutgers over the weekend, Boston College is now ranked No. 2 in both the AP poll and the all-important BCS standings.
Interesting stats: The Eagles rank first nationally against the run, allowing 46.43 yards per game. They are second nationally in turnover margin, and eighth in passing offense at 310.86 yards per game. Quarterback Matt Ryan is ninth nationally in total yards per game at 312.29.
***USC (6-1, 3-1 Pac 10): The Trojans beat the Irish 38-0, their sixth-straight win in the rivalry. They have moved up to No. 9 in the latest poll.
Interesting stats: USC ranks third nationally in total defense at 252.14 yards allowed per game. The 16.57 points allowed per game is good for 10th in the country.