The USC Trojans might have to play a little while without their starting quarterback, which is scary considering their early season schedule.
Aaron Corp has a small crack in his knee and will miss about two weeks of valuable practice time.
Corp is taking over the reigns from Mark Sanchez, who opted to turn pro and was selected early in the first round of the NFL Draft.
Freshman Matt Barkley will take over in Corp's absence, and Mitch Mustain could also see some reps.
The team has an early season game at the Horseshoe against Ohio State, one of the top teams in the country.
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