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

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