CAREER: Walker has appeared in 43 games at USC.

2007: Walker, a one-time walk-on who earned a scholarship in the fall of 2007 and who has 4 relatives who played college football (including 3 at USC), was a backup wide receiver and key special teams player as a senior in 2007. Overall in 2007 while appearing in 12 games (he missed the Oregon State game with an ankle sprain suffered at Oregon), he had 6 catches for 55 yards (9.2 avg.), plus 6 tackles and a fumble recovery. He caught 2 passes against both Idaho (22 yards for his first career catches) and Nebraska (23 yards) and 1 each against Oregon (8 yards) and UCLA (2 yards). He had 2 tackles at Nebraska and 1 each against Washington State, Washington, Oregon and UCLA. His fumble recovery came at Oregon.

2006: Walker appeared in all 13 games in 2006 as a walk-on junior backup wide receiver and special teams performer. He did not catch a pass, but made a tackle against Oregon.

2005: Walker appeared in all 13 games in 2005 as a walk-on sophomore backup wide receiver and on special teams. He did not catch a pass, but made a tackle against California.

2004: Walker played in 5 games (Colorado State, BYU, Washington State, Arizona and Notre Dame) as a first-year freshman walk-on wide receiver and special teams player. He did not catch a pass.

HIGH SCHOOL: He earned 2003 All-CIF Division VI first team honors as a senior at Foothill High in Santa Ana (Calif.).

PERSONAL: He's a public policy, management and planning major at USC with a B- average (2.72 GPA). His uncle, John Katnik, started at center for USC in 1986 and 1987. His cousin, Norm Katnik, lettered 4 years (2000-03) as a center at USC (he started the last 3 years) and was a member of USC's 2003 and 2004 national championship teams before playing in the NFL with the San Francisco 49ers and New York Jets. Another cousin, Kurt Katnik, lettered at tight end on USC's 2003 national championship squad. Another uncle, Norm Katnik, started at center for Arizona in 1978 and 1979.

GAME-BY-GAME WITH BRAD WALKER