Mark Saxon, Orange County Register

Though spring football is three months away, the auditioning to replace quarterback John David Booty next season has begun. “I know they can’t help feeling like the competition is under way and it’s great stuff,” Coach Pete Carroll said after Saturday’s practice. Booty missed practice to attend a class field trip, leaving all of Saturday’s repetitions to Mark Sanchez, Mitch Mustain and Aaron Corp. The coaches officially are calling it an even competition, but Sanchez appears to have a sizable head start… continue