Last week, USC faced the prospect of playing without one of its best wide receivers, Michael Pittman, because of an ankle injury. Instead the Trojans got a great performance out of him against ASU.
They are hoping for some similar luck this week as they prepare to face Cal with wide receiver Tyler Vaughns hobbled by an injured ankle.
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Vaughns suffered the injury late in the ASU game and was held out of practice on Tuesday. He was able to suit up and participate on Wednesday and Thursday.