Best Knockouts: Sergei Kharitonov, Alistair Overeem, Mirko Cro Cop, Mark Hunt | MMA, KICKBOXING, HD

We present to you a collection of the best knockouts over all time. The best and most exciting kickboxing knockouts in HD! Best Knockouts: Sergei Kharitonov, Alistair Overeem, Mirko Cro Cop, Mark Hunt | MMA, KICKBOXING, HD HIGHLIGHTS Share and Subscribe! #fights #knockouts #knockout #boxing #MMA #kickboxing #fight #HD #best #top #Japan