Justin Kahut hit a 24-yard field goal as time expired, and No. 21 Oregon State rallied to defeat Arizona 19-17 on Saturday night at Tucson, Ariz., and move within one victory of its first Rose Bowl trip since 1965.

Kahut nailed the winner just minutes after missing the potential tying extra point.

The Beavers (8-3, 7-1 Pac-10) can clinch a trip to Pasadena, Calif., with a victory over No. 24 Oregon in the Civil War on Saturday.

Keola Antolin rushed for 114 yards and a touchdown for the Wildcats (6-5, 4-4).

Oregon State’s James Rodgers ran for 102 yards and a touchdown, all on reverses out of his receiver slot.

California 37, Stanford 16: At Berkeley, Calif., Jahvid Best rushed for 201 yards and scored three touchdowns in the second half, and California kept archrival Stanford out of the postseason with a victory in the 111th Big Game.

Kevin Riley threw three touchdown passes for the Golden Bears (7-4, 5-3 Pac-10), who scored 27 straight points after halftime to beat the Cardinal for the sixth time in seven meetings under coach Jeff Tedford.

Cal emphatically reclaimed the Axe with a victory that carried an extra measure of sweetness because it ensured a seventh straight losing season for Stanford (5-7, 4-5), which fell apart defensively in the second half.

Tailback Shane Vereen and tight end Cameron Morrah caught scoring passes from Riley, and Best got credit for another TD catch on a clever lateral from Verran Tucker.