2005: Rivers started at weakside linebacker job as a sophomore in 2005 and proved effective. Overall in 2005 while starting 11 games (he missed the Stanford game with a hamstring strain suffered prior to the Washington game and then the UCLA game after re-straining his hamstring against Fresno State), he had 52 tackles, including 3 for losses of 17 yards (with an 11-yard sack), plus had a team-best 2 fumble recoveries and returned an interception 14 yards. He saw limited action at Washington because of the hamstring strain, then re-strained it early in the Fresno State contest and was sidelined. He made 2005 All-Pac-10 honorable mention. He had 3 tackles at Hawaii, 7 against Arkansas, 8 (with 2 for losses) at Oregon and 6 at Arizona State. He added a stop against Arizona, then a game-best 12 tackles (with a sack), plus an interception (to set up a USC TD) and fumble recovery, at Notre Dame. He made 1 tackle at Washington before sitting out with the sore hamstring and another tackle versus Washington State in restricted play before sitting out the Stanford contest. He returned to get 6 tackles with a fumble recovery at California, then had 2 tackles in limited action versus Fresno State. He made 5 tackles against Texas.

2004: Rivers saw significant playing time as a backup weakside linebacker, as a defensive end in pass rushing situations and on special teams as a first-year freshman in 2004. Overall in 2004 while appearing in all 13 games, he had 25 tackles, including 3 for losses of 23 yards (with 2.5 sacks for 22 yards), plus had a deflection and returned an interception 22 yards. He made the 2004 The Sporting News Freshman All-Pac-10 first team.

HIGH SCHOOL: Attended Lake Mary (Fla.) High. He had 111 tackles, 14 tackles for loss, 2 sacks and 2 interceptions in 2003.

PERSONAL: He's a public policy, management and planning major at USC. He was born in Riverside (Calif.) and lived in nearby San Bernardino for 8 years during his youth.