Injuries don't stop tailback competition

LOS ANGELES – Heading into the spring, the USC tailback unit certainly wasn’t at the top of Lane Kiffin’s list of concerns, thanks in large part to senior Silas Redd. The team’s leading rusher last season, he solidified his standing throughout the course of the early slate of spring workouts as a virtual lock to be the Trojans’ starting ball carrier in 2013.