The defensive line goes through position-specific drills.
Coach Carroll throws deep during a 7-on-7 drill.
Defensive coordinator Rocky Seto (left) watches closely as safety T.J. McDonald (right) goes through cut-blocking avoidance drills.
Mitch Mustain lines up under center during service team period.
The sun sets as Matt Barkley and the USC offense finish up practice.
Matt Barkley rolls out on one of the last plays of Thursday's workout.
