Oklahoma Sooners linebacker Owen Heinecke, who had been a breakout star through three games, left the game against Auburn in the second quarter on Saturday.
Heinecke went to the injury tent on OU's sideline after chasing down Auburn quarterback Jackson Arnold for a tackle in the second quarter.
Sooners LB Owen Heinecke injury update
Reporting from the sideline, Gabe Ikard said on the radio that Heinecke's thumb was bleeding. Chris Plank then said on the radio that Heinecke went back to the locker room to likely get stitches in his thumb, so apparently the cut was deep.