Who will start at quarterback for USC?
We all know Pete Carroll would prefer to still have Mark Sanchez under center, but Sanchez ignored his coach’s advice and declared for the NFL draft. But since this is USC, the cupboard isn’t exactly bare. This spring, Aaron Corp (Rivals.com’s No. 3 dual-threat quarterback in the class of 2007), Mitch Mustain (No. 2 quarterback in the class of 2006), Garrett Green (No. 6 dual-threat quarterback in the class of 2006) and Matt Barkley (No. 1 quarterback in the class of 2009) will all compete for the job. They’ll have to impress offensive coordinator John Morton, who spent the past two seasons as USC’s receivers coach, as well as first-year quarterbacks coach Jeremy Bates. The USC quarterback race hasn’t been this wide-open since 2003, when Matt Leinart beat out a future millionaire named Matt Cassel. Mustain, who led Arkansas to eight wins in 2006, has the most experience. Of course, Darren McFadden and Felix Jones deserve much of the credit for those wins. Corp finished last season as S