The recent struggles of former USC quarterbacks Matt Cassel, Matt Leinert and Mark Sanchez brings up an interesting question: how many USC quarterbacks have met with success in the NFL? Dating back to Pat Haden, the last successful quarterback before Palmer, USC quarterbacks have fallen flat in their NFL careers. Most USC quarterbacks have either failed to make an NFL roster or have become perennial NFL back ups. USC quarterbacks that did have the opportunity to start in the NFL never made their mark.

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