College Football Week 4: Pac-12's Swan Song for the Ages
With eight ranked teams, the Pac-12 has never been stronger. Alas, many could be meeting for a final time as conference rivals this year, including Saturday’s matchup between No. 10 Oregon and No. 19 Colorado. Can Coach Prime’s underdog Buffaloes pull off another stunner? Here’s what to know about the nation’s key games in a promising Week 4. Plus, what a promotion-relegation system would look like, and why Notre Dame hopes its green jerseys will "wake up the echoes” against Ohio State.