Wow, you're a big man for knocking out a guy with his hands in his...
Watch to see who gets knocked out.
That's one way to take out the competition.
You can almost hear his skull crack on this headbutt.
Picked the wrong girl to backhand...
One punch is all it takes to put him to sleep.
Sometimes pranks don't go as planned and the prankster gets knocked out!
Did he use excessive force? You be the judge.
David vs Goliath Hockey Fight Knockout, Watch to see who wins.