Fields appeared in every game for the 49ers during each of the last two seasons and registered 28 tackles (18 solo) for the club in 2008. A year earlier, he posted a career-high 39 tackles (14 solo) along with one sack and one forced fumble with San Francisco.
In 2006, the defensive tackle started a personal-best nine games for the 49ers.
A first-team All-Southeastern Conference choice as a senior at Mississippi State, Fields started 36 career games for the Bulldogs. He attended Bogalusa High School in Bogalusa, La., and was born on Sept. 13, 1981.
Goodman (5-foot-10, 190 pounds) is an eighth-year cornerback who spent his first seven NFL seasons with Miami (2006-08) and Detroit (2002-05). He entered the NFL with the Lions in 2002 as a third-round draft choice (68th overall) from the University of South Carolina.
In 87 career regular-season games (55 starts), Goodman has totaled 226 tackles (180 solo), 12 interceptions (95 yds.), 63 pass breakups, five fumble recoveries, three forced fumbles and 21 special-teams stops. He also has appeared in one career postseason contest, logging a start in Miami's AFC Wild Card Game during the 2008 season.
A 16-game starter for Miami in 2008, Goodman led the club with a career-high five interceptions (53 yds.) and 19 pass breakups while adding 39 tackles (33 solo) that season. His interception and pass breakup totals tied for sixth and seventh, respectively, in the NFL. Goodman's 55-yard interception return and five pass breakups in the Dolphins' 38-31 win at Kansas City on Dec. 21 helped propel them to a playoff berth.
Goodman started 14-of-15 games played for the Dolphins in 2006 and was the club's recipient of its Ed Block Courage Award in 2007.
A four-year letterman at South Carolina, Goodman posted 86 tackles, four interceptions and 20 pass breakups during his collegiate career. He was an all-state selection at Greenville High School in Greenville, S.C., where he played both defensive back and wide receiver.
Goodman was born on Aug. 11, 1978.