Arizona (10-2, 7-2 Pac-12) needed to beat its biggest rival and have Stanford knock off No. 9 UCLA to win the Pac-12 South.
The Cardinal took care of the first part by rolling over the Bruins. The Wildcats handled their end with a stream of big plays and a final defensive stand.
Arizona moves on to face No. 3 Oregon in the Pac-12 Championship game, Dec. 5 at Levi's Stadium in the Bay Area.
Arizona State (9-3, 6-3,) got a spark by replacing Taylor Kelly with Bercovici, but a final drive stalled at Arizona's 40-yard line.