For the fourth time this season, the Ducks don’t lead at halftime. After Oregon got out to a quick 14-0 lead through one quarter, the Oregon State Beavers came roaring back, outscoring the Ducks 17-3 in the second quarter in the 117th edition of the Civil War game. Oregon quarterback Marcus Mariota struggled in the second quarter, finishing the half with 6-of-12 passing, 107 yards and two interceptions. Thomas Tyner had a big first half for the Ducks, rushed for 88 yards and a touchdown on 9 carries. For Oregon State, Terron Ward rushed for 72 yards and Storm Woods added 38 yards and a touchdown.
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The Oregon Ducks run into Autzen Stadium before the start of the football game. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon senior defensive tackle Ricky Havili-Heimuli (90) hugs Oregon head coach Mark Helfrich during Senior Night before the start of the football game. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon junior cornerback Ifo Ekpre-Olomu (14) intercepts the football from Oregon State junior quarterback Sean Mannion (4). The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore, on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon sophomore quarterback Marcus Mariota (8) adjusts his helmet as he starts to rush with the football. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon junior linebacker Rodney Hardrick (48) tackles Oregon State junior quarterback Sean Mannion (4) during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon State junior wide receiver Brandin Cooks (7) tries to break away from Oregon sophomore defensive lineman DeForest Buckner (44) during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon sophomore quarterback Marcus Mariota (8) is tackled by Oregon State senior cornerback Sean Martin (6) during the first half. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon freshman running back Thomas Tyner (24) avoids being tackled by Oregon State senior safety Steven Christian (29) during the first half. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon State sophomore running back Storm Woods (24) pushes off Oregon junior defensive end Tony Washington (91) during the first half. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon senior wide receiver Josh Huff (1) receives the football from Oregon sophomore quarterback Marcus Mariota (8) during the first half. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon junior running back De’Anthony Thomas (6) is tackled by Oregon State defenders during the first half. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon junior running back De’Anthony Thomas (6) falls into the end zone to score a touchdown during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon head coach Mark Helfrich speaks with a referee during the first half. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon State sophomore running back Storm Woods (24) is grappled by an Oregon defender. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon head coach Mark Helfrich speaks with his team during the second quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Ryan Kang/Emerald)
Oregon senior wide receiver Josh Huff (1) leaps over Oregon State junior cornerback Steven Nelson (2) during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon State junior running back Terron Ward (28) celebrates his touchdown with teammates in the end zone during the final minutes of the second quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon senior wide receiver Josh Huff (1) screams in frustration after his carry during the first quarter was ruled down short of the end zone. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon State head coach Mike Riley shouts in frustration at a sideline official during the second quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon junior cornerback Ifo Ekpre-Olomu (14) denies a pass to Oregon State junior wide receiver Brandin Cooks (7) during the second quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon senior wide receiver Josh Huff (1) is brought down by Oregon State junior safety Tyrequek Zimmerman (8) during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon sophomore quarterback Marcus Mariota (8) scrambles from the pocket during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon senior wide receiver Josh Huff (1) carries down the sidelines as he is tracked by Oregon State junior safety Ryan Murphy (25) during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon senior wide receiver Josh Huff (1) carries during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon freshman running back Thomas Tyner (24) carries during the second quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon State freshman wide receiver Blair Cavanaugh (20) stiff-arms an Oregon defender during a second-quarter carry. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon State junior quarterback Sean Mannion (4) looks for an open receiver during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon State junior running back Terron Ward (28) jukes behind his defender as he attempts to throw off Oregon junior linebacker Rodney Hardrick (48) during the second quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon head coach Mark Helfrich shouts in frustration at the referees after OSU completed an extra point during the second quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon junior defensive back Terrance Mitchell (27) prepares to tackle Oregon State junior wide receiver Brandin Cooks (7) during the second quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Michael Arellano/Emerald)
Oregon sophomore quarterback Marcus Mariota (8) fumbles the ball during the first half. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Andrew Seng/Emerald)
Oregon junior running back De’Anthony Thomas (6) rushes toward the end zone to complete for a touchdown during the first quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Andrew Seng/Emerald)
Oregon sophomore quarterback Marcus Mariota (8) looks for an open option during the first half. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Andrew Seng/Emerald)
OSU running back Terron Ward (28) is brought down by the Oregon defense during the second quarter. The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Andrew Seng/Emerald)
The No. 13 Oregon Ducks play the Oregon State Beavers at Autzen Stadium in Eugene, Ore., on Nov. 29, 2013. (Andrew Seng/Emerald)