Oregon State receiver Jordan Villain (13) picks up a first down as he sprints past Washington State defender Taylor Taliulu (30) in Corvallis, Ore., Saturday, Nov. 8, 2014. (AP Photo/Troy Wayrynen)

Oregon State falls to Washington State

Sean Mannion, who set the Pac-12 all-time record for passing yards last weekend in a loss to California, threw for 419 yards and a touchdown…