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.

Week 4 of the college football season has come and gone. Here's the updated US LBM Coaches Poll and AP Top 25 poll ahead of Week 5:

The USC Trojans took a hit in the new US LBM Coaches Poll, presented by USA TODAY Sports. USC lost to Michigan and dropped four spots in the poll. The Men of Troy squandered a golden chance to cement