This chick is knocked out cold when they collide with exercise balls.
This guy's team should have come to his rescue!
An anesthesiologist lets this guy knock himself out right on the table.
This reporter should be knocked out cold like that ice sculpture was.
A bully attacks another girl and knocks herself out. Karma is a bitch.
A power bomb puts this kid down for the count.
The bigger kid punches like a girl. The smaller kid knocks out his...
A roundhouse heel kick to the face was all this kick boxer had to do in...
That fight went from incredibly boring to KO in seconds.