TUCSON, Ariz. – Sean Mannion threw for a career-high 433 yards and hit Connor Hamlett on a 10-yard pass with 1:09 left for his third touchdown, lifting No. 18 Oregon State to wild 38-35 Pac-12 football win over Arizona Saturday night.
Oregon State (3-0, 1-1) took a 17-0 lead, Arizona charged back and the teams traded scores in the second half of a game filled with big plays and 1,158 yards of combined offense.
Arizona (3-2, 0-1 Pac-12) took a 35-51 lead with 5:34 left when Matt Scott hit Austin Hill on a 7-yard touchdown.
That left too much time for Mannion, who moved the Beavers 75 yards in 10 plays for the TD pass to Hamlett that gave coach Mike Riley his 75th win at Oregon State, breaking Lon Stiner’s school record.
Storm Woods ran for 161 yards and a touchdown for the Beavers, off to their first 3-0 start since 2002.
Markus Wheaton caught 10 passes for 166 yards and a pair of touchdowns, and Brandin Cooks caught nine passes for 149 yards for the Beavers.
Arizona’s Matt Scott threw for a career-high 403 yards and three touchdowns, but had two interceptions, including one near midfield in the final minute. Ka’Deem Carey ran for 115 yards and two touchdowns for Arizona, which has lost two straight after opening 3-0.
The Beavers had their opener postponed by a hurricane, faced a ranked opponent the second week, followed by a bye and another ranked opponent.
Mannion was sharp early, hitting Cooks on a 57-yard pass in the first quarter to set up a 2-yard touchdown pass to Wheaton in the back of the end zone.
The next series, Mannion hit Wheaton for a 51-yard gain, leading to Romaine’s 30-yard field goal.
Mannion found Kevin Cummings next, on a 38-yard pass to position Tyler Anderson for a 1-yard touchdown dive that put the Beavers up 17-0.