What went wrong for USC this year? The easy answer is "just about everything." The second is to point to the UCLA game last year -- a 50-0 Trojans win -- and this year -- a 38-28 Trojans loss. Both USC and UCLA welcomed back a lot of returning starters for 2012: The Trojans 19, the Bruins 16. So the teams weren't substantially different from 2011. A significant number of guys played in both games, only to very different conclusions.
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