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.

Notre Dame football came out with a 31-24 victory over the Louisville Cardinals on Saturday, avenging their 33-20 loss to them last season, a game that was not nearly as close as that final score would indicate.

Louisville football has much to learn after its first loss of the season to Notre Dame. Here are three takeaways from the Week 5 road contest.