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Oregon QB Vernon Adams leaves Alamo Bowl after hit to head

Jan 2, 2016; San Antonio, TX, USA; Oregon Ducks quarterback Vernon Adams, Jr. (3) is helped off the field after a hit against the TCU Horned Frogs in the 2016 Alamo Bowl at the Alamodome. Adams was taken out of the game. Mandatory Credit: Erich Schlegel-USA TODAY Sports

Jan 2, 2016; San Antonio, TX, USA; Oregon Ducks quarterback Vernon Adams, Jr. (3) is helped off the field after a hit against the TCU Horned Frogs in the 2016 Alamo Bowl at the Alamodome. Adams was taken out of the game. Mandatory Credit: Erich Schlegel-USA TODAY Sports

SAN ANTONIO -- Oregon quarterback Vernon Adams Jr. left the Alamo Bowl after taking a hard hit to the head and didn't immediately return at the start of the second half.

Adams collided with TCU linebacker Derrick Kindred late in the second quarter after the players knocked heads on the tackle. Adams stayed on a ground for several minutes before walking off the field and to the Oregon locker room for evaluation.

Oregon led 28-0 when Adams left and 31-0 at halftime.

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Adams completed 13 of 19 passes for 197 yards and Oregon's first touchdown, a 37-yard pass to Darren Carrington. Adams was replaced by Jeff Lockie, who started the third quarter.

An Oregon official said there would be no immediate update on Adams' condition.