Just when you think you've heard all the grizzled-fighter-taking-one-last-swing-at-redemption stories, along comes Gunn — the first bare-knuckle boxing champion the U.S. has seen in more than 120 years. Undefeated in 71 fights, Gunn rules the circuit, a nationwide underground network of pro boxers, mixed martial arts fighters, and accomplished street brawlers who enter the ring without gloves for as much as $50,000 cash. It's dangerous and bloody and illegal almost everywhere. And if things go Gunn's way — for once in his life — it just could be the next major fight sport. Bobby Gunn: Champion of the Underworld
Mike Tyson - Beyond the Glory SLYT Documentary. Beyond the Glory is a documentary series that takes a look at the lives of athletes. Mike Tyson on the Wiki.