Ben Rothwell (born October 17, 1981) is an American mixed martial artist and bare-knuckle boxer who competes as a Heavyweight and is the former BKFC Heavyweight World Champion. He most notably had a 17 bout stint in the Ultimate Fighting Championship and competed for the Quad Cities Silverbacks of the IFL where he held an undefeated 9–0 record before leaving the promotion due to a contract dispute. He has also had one-fight stints in Affliction, M-1 Global, and King of the Cage. He also competed for the World Series of Fighting and Absolute Championship Berkut. Since his departure from the UFC in 2022, Rothwell has competed in the Heavyweight division of the Bare Knuckle Fighting Championship, where he is a former BKFC Heavyweight Champion. As of April 13, 2026, he is #2 in the heavyweight rankings.
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