Ref KO'd in USC-Notre Dame game after brutal hit to the head

Ron Cherry was the lead official for Saturday's Notre Dame-USC game.

Ron Cherry is a legendary ACC referee, but he found himself on the wrong side of the viral Internet video on Saturday.

Cherry was the lead ref for the USC and Notre Dame game, but he was forced to leave the game after taken a hard shot to the head in the third quarter.

After the hit, Cherry laid motionless on the ground until medics on the sideline were able to tend to him.

Cherry was able to walk off the field, but that hit was the end of the day for him.