CORVALLIS, Ore. -- Sean Mannion threw for 372 yards and four touchdowns and Oregon State rebounded from a stunning loss in their season opener with a 33-14 victory over Hawaii on Saturday.
Brandin Cooks had seven catches for 92 yards and two scores for the Beavers (1-1), who fell 49-46 at home last week to lower division Eastern Washington.
Oregon State had 508 yards of total offense while Hawaii (0-2) had just 239.
The Rainbow Warriors evened it at 14 in the second quarter before Oregon State went ahead in the second half on Mannion's two 8-yard TD passes to Cooks. Hawaii was coming off a 30-13 loss to USC in its opener.
The Rainbow Warriors were hurt on the ensuing kickoff when senior linebacker Brenden Daley was injured in a collision and was taken from the field by ambulance. Daley was taken to the hospital with a concussion.
In the opener against USC, Daley led Hawaii with 10 tackles, including four for loss, a sack and a forced fumble.
The Beavers went up 14-0 after Mannion found Richard Mullaney with a 19-yeard touchdown pass early in the second quarter.
But Oregon State was not without some of the mistakes that cost them the week before against the Eagles. Mannion was intercepted by Julian Gener, who ran it back 23-yards for the touchdown to narrow it to 14-7.
Graham, son of former NFL quarterback Kent Graham, spent two seasons at Ohio State before transferring to Hawaii. He threw for 208 yards and a score in the opener against the Trojans, but also threw four interceptions that led to 20 USC points.
Against the Beavers Graham completed 10 of 20 passes for 95 yards and the TD to Evans.
Oregon State pulled back in front with Mannion's 8-yard scoring pass to Cooks after the break. Mannion found Cooks with another 8-yarder before the quarter was over to make it 28-14. Mannion completed 31 of 43 passes for the game.
Oregon State was ranked No. 25 in the preseason after finishing 9-4 last year, but the disheartening loss to the Eastern Washington dropped the Beavers out of the poll.
In 2011, the Beavers opened the season with a loss to Sacramento State, touching off a four-game losing streak. They finished 3-9 that season.
Oregon State leads the all-time series against Hawaii 6-3. The Rainbow Warriors won the first meeting between the teams 7-0 in 1923.
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