This guy got f**ked up!
Conor McGregor Sparring former IBF champion Chris Van Heerden
Mike Tyson shows his power on the heavy bag
Jose Aldo with brutal kicks to the head in one of his early MMA bouts
Chris Weidman vs Luke Rockhold
Henri Hooft explaining how to punch
Manny Pacquiao knocks Ricky Hatton ou
Sergey Kharitonov vs Semmy Schilt
There’s nothing more demeaning then when you slap your opponent in the face!
Michael ‘Venom’ Page’s lightning fast right hand