Ray Mercer proved that boxers can win in MMA 15 years ago. ‘Merciless’ suffered a humiliating submission loss when he squared off against backyard brawler Kimbo Slice in his amateur MMA debut in 2007.

In a strange bout that comes out of left field, former UFC heavyweight champion Tim Sylvia will face Olympic gold medal winner and former WBO heavyweight champion Ray Mercer on May 30 at the Trump Taj ...