USC led 14-3 at Texas...but Texas scored 34 straight and won.
USC led 14-0 vs. Utah...but Utah scored 34 straight and won.
USC led 14-0 vs. Cal at the half...but Cal scored 15 straight and won.
USC came from 24-7 down to lead ASU 28-24...but ASU scored 14 straight and won.
USC came from 14-3 down to lead UCLA 27-21 going into the 4th...but UCLA scored the final 13 and won.
If Notre Dame doesn't play its worst game of the season, it wins. USC has started fast or come back with a flurry of points and each time it has meant jack squat because they aren't good.