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That's because the UFC veteran has made some dramatic lifestyle changes, resulting in his retirement from combat sports. Overeem, 43, made the announcement casually during a June 1 appearance on Lovin Dubai  that focused on his health. The interview resurfaced Tuesday (h/t Middle Easy).

He currently competes in the Heavyweight division for the Ultimate Fighting Championship (UFC) and holds the record for most wins (23) in UFC heavyweight history.