Oregon running back Thomas Tyner has decided to take a medical retirement after sitting out all of last season because of a shoulder injury.
Tyner was the Ducks' third-leading rusher as a true freshman in 2013 and then again as a sophomore in 2014. He finishes his Oregon career with 1,284 yards rushing and 14 touchdowns.
After missing five games his sophomore season, he played in the first College Football Playoffs, rushing for 124 yards and two touchdowns in the Rose Bowl victory over Florida State, and 62 yards in the national championship game loss to Ohio State.
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He missed all of last season following shoulder surgery.
Tyner was a record-breaking prep star out of Aloha High School west of Portland, Oregon.