College football scores, live updates: Oregon vs. USC, Texas A&M vs. LSU and more

After a wild first few weeks of the college football season, we may have our best slate yet in Week 4. Saturday features six matchups between teams ranked in the AP Top 25.The day started with a marquee showdown between No. 1 Texas and No. 14 Tennessee, and the Longhorns won rights to the 'UT' moniker with a tough defensive performance. Texas' Colin Simmons tied a school record with five sacks in a 20-17 win — though he did get in a bit of trouble after his first. No. 17 Iowa provided the drama for the day in the afternoon, driving the length of the field in the final minute and scoring on a walk-off TD pass from Hank Brown to Reece Vander Zee as time expired to beat No. 18 Michigan 20-19. Elsewhere, No. 4 Ole Miss got shelled by No. 21 Florida and No. 15 Utah held on for a 31-17 win at Iowa State.In the evening, we have a trifecta of ranked-on-ranked matchups with No. 23 Texas A&M vs. No. 10 LSU, No. 20 Oregon vs. No. 12 USC and No. 19 Missouri vs. No. 24 Mississippi State. It's an action-packed slate that surely won't disappoint.Follow all of the action with live updates, highlights and analysis below: