What happened: USC secured a decisive victory over Ohio State, triggering immediate movement across the national rankings. The result sent the Buckeyes tumbling down the poll while vaulting the Bruins back into ranked position.

Why it matters: The setback complicates Ohio State's standing in the conference and tightens the postseason picture. For the Bruins, the upward movement restores competitive standing as teams jockey for postseason positioning.

What to watch: Both programs shift focus to upcoming conference schedules with postseason implications on the line.