Defensive line coach Ed Orgeron watches on as defensive end Kevin Greene goes through drills.
Matt Barkley lets a pass fly during 1-on-1 drills.
The offense faces the defense in 11-on-11 work.
Spring Practice 2010 gets underway on a picture-perfect afternoon on Howard Jones Field.
Mitch Mustain passes to the left as the defensive linemen close in.
Coach Lane Kiffin speaks to his players following the opening practice of the spring on Tuesday.