PULLMAN, Wash. -- Keola Antolin ran for two touchdowns and No. 17 Arizona overcame the loss of quarterback Nick Foles by leaning on its little-used ground game in a 24-7 victory over Washington State on Saturday.
Matt Scott relieved Foles and threw for 139 yards as Arizona (5-1, 2-1 Pac-10) rebounded from its loss to Oregon State last weekend to remain in the conference title hunt.
Washington State (1-6, 0-4) has lost 12 straight Pac-10 games dating to 2008.
The Wildcats, who lead the Pac-10 in passing offense, came in averaging only 27 rushing attempts per game. They ran 26 times in the first half alone against the Cougars, and 47 times for 142 yards in the game.
Antolin, who ran for 92 yards, scored on a 9-yard run late in the first for a 7-0 lead.
Foles was injured with 14:07 left in the second quarter when the Cougars' Travis Long rolled into his right leg and knocked him down after a completed pass. Foles, the Pac-10 passing leader at 305 yards per game, limped off the field, supported between two Arizona officials. He did not return and it was unclear the extent of his injury.
Scott directed the team over the final 37 yards of a 95-yard, 15-play drive. Antolin ran up the middle from the 1-yard line for a 14-0 lead.
Arizona threatened in the closing minutes of the first half, moving 71 yards to the 19, but Scott was intercepted by a diving Casey Locker in the final seconds to kill the drive.
Arizona's 14-0 lead was the first time this season that Washington State was shut out in the first half. The Cougars managed only 56 yards over the first 30 minutes against a defense that leads the league by allowing only 14 points per game.
The Wildcats got a break early in the third when Washington State punter Reid Forrest fumbled the snap deep in his own territory. Khyri Knowles dove on the ball at the 7 and, on the first play, Nic Grigsby ran in for a 21-0 lead.
Washington State got on the scoreboard when Jeff Tuel hit freshman Marquess Wilson with a 23-yard touchdown strike late in the third, but the Cougars blew a chance to tighten the game after they stopped Antolin on fourth-and-1 on the first play of the fourth quarter.
Running back James Montgomery took a handoff and then threw a backward pass that was deflected by Arizona's Brooks Reed and recovered by D'Aundre Reed. Alex Zendejas eventually kicked a 40-yard field goal for a 24-7 lead.
Tuel connected with Wilson for an 83-yard gain midway through the fourth, giving the Cougars the ball on Arizona's 12 and Wilson the fourth 100-yard game of his rookie season. But Tuel was intercepted in the end zone to kill the threat.
The game was also costly for Washington State. The Cougars lost offensive lineman David Gonzales to a broken left arm and cornerback Damante Horton to a sprained knee.
But it wasn't a bad outing for Washington State's defense, which came in allowing 42 points and more than 500 yards per game. Arizona finished with 352 yards.