More than one-fifth of last week’s Coaches Poll top 25 teams took an L during this past weekend’s college football action, ensuring that we’ll see some prominent changes in the updated rankings as we look ahead to the Week 5 games as the coaches fill out their ballots.

ANN ARBOR, Mich. — Certainly, Lincoln Riley thought his introduction to the Big Ten would go much different. But the bruising, physical conference welcomed him and the USC Trojans in by showcasing a complete lack of a passing offense on the other side, along with a ferocious defensive attack.

The USC Trojans could be a top-10 team right now. If they had beaten Michigan, they would be. Instead, they dropped four spots in the coaches poll.