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CORVALLIS, Ore. (AP) Sean Mannion threw for 275 yards to set a new Oregon State record and lead the Beavers to a 28-7 victory over San Diego State on Saturday night.
Mannion's passing yards gave him 11,339 for his career, pulling him in front of Derek Anderson atop the Beavers' career list, and into third on the Pac-12 all-time list behind leader USC's Matt Barkley (12,274) and fellow Trojan Carson Palmer (11,818).
Terron Ward and Storm Woods each rushed for two touchdowns for the Beavers, who open the season 3-0 for the fifth time since 1999.
Donnel Pumphrey rushed for 89 yards and the lone touchdown on the opening series for San Diego State (1-2).
Mannion now has 903 yards passing and four touchdowns this season. The senior threw for 300 yards and three TDs in Oregon State's last outing, a 38-30 victory at Hawaii on Sept. 6.
San Diego State was also coming off a bye after a 31-27 loss at North Carolina. Quinn Kaehler threw for a career-high 341 yards with a touchdown and led the Aztecs to a first-and-goal from the North Carolina 3 in the final minute - but he was picked off looking for Lloyd Mills in the end zone.
Kaehler threw for 106 yards but had two interceptions against the Beavers.
The Aztecs scored on Pumphrey's 2-yard run on their opening drive. The Beavers evened the score on Ward's 12-yard touchdown run, capping a drive that started when Steven Nelson intercepted Kaehler on Oregon State's 30.
The Beavers were hurt in the second quarter when receiver Victor Bolden left the field, accompanied by trainers. Later Oregon State announced he had a dislocated right pinkie finger and would not return.
On the final drive of the half, Mannion hit sophomore Rahmel Dockery with a 49-yard pass to put the Beavers on San Diego State's 2-yard line. Ward popped in for the touchdown to make it 14-7 at the break. It was Dockery's first career reception.
Woods ran for a 5-yard touchdown on Oregon's State's opening series in the second half. He added a 2-yard scoring run as the third quarter came to a close.
The Aztecs were without senior wide receiver Ezell Ruffin, who broke his collar bone in the loss at North Carolina and will miss six to eight weeks.
Last season at San Diego State Mannion led a come-from-behind 34-30 victory.
The two teams split the previous four games in the series. San Diego State hadn't visited Corvallis since a 35-3 loss in 2000.
In their last 22 games against the Pac-12, the Aztecs have won only once: a 42-24 victory over Washington State on Sept. 17, 2011.
