CORVALLIS, Ore. — Oregon State head football coach Mike Riley announced after practice Monday that starting quarterback Sean Mannion will undergo surgery on his left knee and will be out indefinitely. Riley told the media that Mannion suffered the injury on a hand-off during the Washington State game on Oct. 6.
The 6-foot-5 sophomore from Pleasanton, Calif. has had a breakout season in a year which finds the Beavers at No. 10 in the AP Top 25 poll heading into this weekend’s game against BYU. Mannion ranks ninth in the country in passing, completing 63 percent of his passes. He’s thrown seven touchdowns and four interceptions.