EUGENE, Ore. – No. 4 Oregon State broke open a tight game late scoring nine runs in the final four innings to hand No. 6 Oregon a 9-0 loss and even their Pac-12 series at one game apiece.

The Beavers (42-9, 21-5 Pac-12) scored five runs in the eighth and two more in the ninth to turn a 2-0 game into a blowout.  The Ducks (43-12, 20-6 Pac-12) fell one game behind OSU for the conference lead with the two teams playing a series deciding game Sunday at 12 p.m.

Freshman Cole Irvin (10-3) took the loss despite holding the Beavers to just two runs on six hits over seven innings. He gave up solo home runs to Michael Conforto in the sixth and Ryan Barnes in the seventh before leaving the game. Oregon’s bullpen struggled with three relievers giving up seven runs in the final two innings.

Oregon State freshman Andrew Moore (11-1) pitched a complete game shutout allowing just two Oregon hits. Ryon Healy doubled off the right field fence in the fourth and J.J. Altobelli singled to lead off the sixth. Moore struck out just two, while walking only one.