Defensive coordinator Rocky Seto directs safety Will Harris and other defensive backs through drills.
Matt Barkley feigns a handoff to tailback Joe McKnight. NCAA rules don't permit walk-thrus to include footballs.
Offensive guard Jeff Byers (right) and defensive tackle Averell Spicer tangle in the backfield as Matt Barkley steps up to avoid the rush.
Coach Carroll watches on as the Trojans go through their morning walk-thru.
