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Born on May 17, 1980, Alistair Overeem is a Dutch mixed martial artist and former kickboxer. Known for his striking prowess, Overeem holds notable victories over fighters like Brock Lesnar, Frank Mir, and Fabricio Werdum. Throughout his career, he has competed in various promotions, including Pride Fighting Championships, Strikeforce, and the Ultimate Fighting Championship (UFC), where he achieved significant success.