Brock Lesnar is a mixed-martial artist fighting in the Ultimate Fighting Championship's heavyweight division. Formerly WWE's youngest ever champion at 25, he switched to MMA in 2008. His current record is 4-1, with a big win against Heath Herring. However, his finest hour in MMA came at UFC 91, when he knocked out MMA legend and UFC Hall of Famer Randy Couture to gain the interim Heavyweight title. After the Couture fight, he fought Frank Mir at UFC 100 to both avenge a loss at UFC 81 and gain the undisputed UFC Heavyweight Title. Lesnar proceeded to destroy Mir for six minutes and forty-eight seconds to gain the title by TKO. His next title defense was supposed to take place at UFC 106, however, he came down with mononucleosis and has been sidelined ever since.
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