Watch Badr Hari Beat Up Alistair Overeem in K-1 (GLORY Collision Free Fight)

(Video Courtesy of UFC)

Having largely left kickboxing in the rearview mirror, reigning Strikeforce heavyweight champion Alistair Overeem stunned the kickboxing world in 2008 by jumping back into kickboxing and knocking out world No.1 Badr Hari in two minutes. Hari vowed revenge ahead of this rematch, and he got it.

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