There’s no ready-made answer, and USC’s offensive-line consistency will be one of the storylines of the season. When tight end McRee went down in a heap Saturday after a low hit, his limp off the field was a gut-wrench, the broadcast showing the USC stalwart breaking into tears on the sideline.

This article originally appeared on Trojans Wire: Lincoln Riley and his USC football staff failed to clean up mistakes USC's Woody Marks made a heck of a play to take the football from Grant. Williams is the seventh Heisman winner to have his number retired by the school.

The senior running back turned in a career day for a second straight week, rushing for 159 yards and two touchdowns in a 27-24 win over No. 11 USC to open Big Ten play on Saturday. Michigan improves to 3-1 to start the season under new coach Sherrone Moore.