1
Alistair Overeem
(First Fighter to Hold World Titles in MMA and K-1 Kickboxing at the Same Time)

19
4
Birthdate: May 17, 1980
Sun Sign: Taurus
Birthplace: London, England
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Bas Rutten is a Dutch–American actor, former kickboxer, mixed martial artist, and professional wrestler. A former UFC Heavyweight Champion and a King of Pancrase world champion, Rutten finished his career on a high as he remained unbeaten for the last 22 fights of his career. In 2015, Bas Rutten was made an inductee of the UFC Hall of Fame.