The ban on the horse-collar tackle maneuver in American football was named after what 1980-born University of Oklahoma college football player?
Horse-collar tackle: The horse-collar tackle is an American football maneuver in which a defender tackles another player by grabbing the back collar or the back-inside of an opponent's shoulder pads and pulling the ball carrier directly downward in order to pull his feet from underneath him. Horse-collar tackle:  This kind of tackle was banned from the NFL during the 2005 off-season.
i don't know