Top Knockouts: Alistair Overeem, HD HD

Watch the top knockouts from professional dutch heavyweight MMA fighter and kickboxer, K-1 WGP champion, Dream and Strikeforce champion Alistair Overeem with nickname "The Demolition Man". Dutch athlete Alistair Overeem has 66 official MMA and 14 K-1 matches in professional career. Most of them finished with knockouts. Top Knockouts: Alistair Overeem, HD Share and Subscribe! #Overeem #MMA #knockout #kickboxing #champion #UFC #Fight