... losing is so rare, it shakes the foundations of college football when it happens. Or maybe it was nice a week ago, when the USC Trojans, ranked third in the country, have lost again to an unranked PAC-10 opponent on the road. So much for winning forever. In anticipation of more painful losses for Trojans, who may not be as good as we once thought, let's look at the ten most painful USC defeats of the Carroll Era.

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