Ultimate Fighting Championship is draining its cash reserves to fund big payouts to celebrity investors — even as its fighters gripe that they are vastly underpaid, The Post has learned. The mixed martial arts giant has approved a massive $300 million dividend to UFC’s investors — a star-studded list that includes Mark Wahlberg, Charlize Theron, Gisele Bündchen, Ben Affleck and tennis stars Serena and Venus Williams, sources said. Roughly half of the $300 million will go to Endeavor, the entertainment holding company run by Hollywood superagent Ari Emanuel, which bought a 50 percent stake in UFC in 2016 for $4 billion. Endeavor also owns Hollywood talent agency WME, fashion and sports media agency IMG and the Miss Universe Pageant.
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