Notre Dame's secondary showed off its depth against Louisville, but the Irish need to make some improvements to get into the CFP.

Notre Dame's 31-24 victory over Louisville was huge for the Fighting Irish, who continue to scratch and claw their way back into the College Football Playoff picture after the upset loss to Northern Illinois in Week 2.

As the calendar flips to October and the first of two bye weeks for Notre Dame football, here are a few arguments on both sides of the CFP ledger.