Oregon senior wide receiver Josh Huff (1) reaches the ball across the end zone to score a touchdown. The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Taylor Wilder/Emerald)

Oregon senior wide receiver Josh Huff (1) catches the ball before running in the end zone to score a touchdown. The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Michael Arellano/Emerald)

Oregon sophomore running back Byron Marshall (9) falls to the ground after being tripped up by Colorado junior defensive back Greg Henderson (20). The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Taylor Wilder/Emerald)

Oregon senior cornerback Avery Patterson (21) screams in celebration as he heads off the field. The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Michael Arellano/Emerald)

Oregon junior defensive back Terrance Mitchell (27) secures an interception against the Colorado Buffaloes during the first quarter. The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Michael Arellano/Emerald)

Oregon freshman running back Thomas Tyner (24) peddles on a stationary bike on the sidelines to stay loose during the game. The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Michael Arellano/Emerald)

Colorado junior wide-receiver Paul Richardson (6) brings down a long pass single-handedly as Oregon junior cornerback Ifo Ekpre-Olomu (14) pressures him. The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Michael Arellano/Emerald)

Oregon sophomore running back Byron Marshall (9) stiff-arms Colorado sophomore defensive back Kenneth Crawley (2) as Marshall is face-masked by Crawley. The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Michael Arellano/Emerald)

Oregon senior wide receiver Josh Huff (1) catches a pass and is tackled by Colorado sophomore defensive back Isaac Archuleta (10). The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Taylor Wilder/Emerald)

John Free poses for a photo during pre-game festivities. The Olympia, Wash., resident is one part of “The Grateful Ducks” quartet of Oregon fans that travel extensively to away games. The No. 2 Oregon Ducks play the Colorado Buffaloes at Folsom Field in Boulder, Colo., on Oct. 5. (Michael Arellano/Emerald)