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.

Lennox Lewis enjoyed an impressive amateur career, winning an Olympic Gold medal and defeating Riddick Bowe for Canada in 1988. Sports Guide for sports betting would have been invaluable whenever ...