No. 10 Stanford has a chance to reach back-to-back Rose Bowls for the first time since the 1971 and '72 games after returning to the Pac-12 North thanks to Arizona.
The fifth-ranked Oregon had its national championship hopes smashed by Arizona, 42-16 on Saturday as Stanford was routing California 63-13.
Ka'Deem Carey ran for 206 yards and four touchdowns while becoming Arizona's all-time leading rusher.
Coming off a disappointing home loss to Washington State, Arizona didn't back off the throttle of its up-tempo offense against the fast-paced Ducks.
Ty Montgomery matched a Stanford school record with five touchdowns, scoring the first four times he touched the ball, and the Cardinal clinched a spot in the Pac-12 championship game with Oregon's loss.
The results give Stanford the Pac-12 North title for a second straight season. Oregon (9-2) might be able to get an at-large BCS bid if it can close out with a victory against Oregon State, but it's looking like a bit of a long shot now.
Oregon lost for the second time in three games. In the last three weeks the Ducks have lost to Stanford to give the Cardinal control of the division, then regained control when Stanford fell to USC, and now have given it away again.
AJ McCarron passed for two touchdowns and became No. 1 Alabama's most successful quarterback in a 49-0 win over Chattanooga.
No. 2 Florida State broke a school record for points in a game as Jameis Winston threw for 225 yards and four touchdowns in an 80-14 victory over Idaho.
No. 11 Oklahoma's Clint Chelf passed for a career-high 370 yards and accounted for four touchdowns in a 49-17 win over No. 3 Baylor.
Braxton Miller ran for 144 yards and two touchdowns and passed for two more in No. 4 Ohio's 42-14 win over Indiana, while No. 7 Clemson downed The Citadel 52-6.
No. 8 Missouri downed No. 24 Mississippi 24-10, No. 18 LSU beat No. 9 Texas A&M 34-10 and No. 12 South Carolina trounced Coastal Carolina 70-10.
Connor Cook threw for a career-high 293 yards and Jeremy Langford ran for 150 as No. 13 Michigan State clinched a spot in the Big Ten title game with a 30-6 win over Northwestern, while No. 19 Arizona State edged No. 14 UCLA and No. 15 Fresno State downed New Mexico 69-28.
In other games, No. 16 Wisconsin downed Minnesota 20-7, No. 21 Louisville beat Memphis 24-17, No. 22 Oklahoma defeated Kansas State 41-31, No. 23 USC was a 47-29 winner over Colorado and No. 25 Duke had a 28-21 victory over Wake Forest.