Isaiah Newell ran for the go-ahead touchdown with 8:11 remaining, and No. 22 Oregon State took advantage of critical mistakes in the fourth quarter by No. 10 Oregon to rally for a 38-34 victory on Saturday.
The Beavers (9-3, 6-3 Pac-12, No 21 CFP) trailed 31-10 late in the third quarter and 34-17 early in the fourth, but the Ducks (9-3, 7-2, No. 9 CFP) gave their rivals a short field on three consecutive possessions, leading to touchdowns.
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First, Oregon gave up a 48-yard kickoff return by Silas Bolden, and a facemask penalty set up Oregon State at the Ducks 36. Newell ran for a 15-yard touchdown to make it 34-24.
Next, Oregon punter Alex Bales dropped the snap and fell on the ball at his own 2. Two plays later, Ben Gulbranson pounded it in from 1 yard to get Oregon State within 34-31.
Oregon then went for it on fourth-and-1 at its own 29, and quarterback Bo Nix was stopped for a 1-yard loss on the Ducks' only called QB run of the game. Newell scored four plays later, with a convoy of blockers helping to push him into the end zone from 6 yards out.
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The Ducks can still make the Pac-12 championship game but needed Washington State to beat rival Washington later Saturday. If Washington wins, No. 14 Utah would advance to the title game against No. 5 Southern California.
Oregon State ran for 268 yards and five touchdowns, overcoming its lack of a passing game. Damien Martinez led the way with 103 yards on 15 carries. Ben Gulbanson was just 6 of 13 for 60 yard with two interceptions, but he ran for two scores. Newell scored on his only two carries of the game.
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Nix passed for 327 yards and two touchdowns and Oregon finished with 470 total yards, but Nix's inability to run was a major factor.