#2 Shannon Ritch: 145
Shannon 'The Canon' Ritch has been a mixed martial artist since 1991, as claimed by the man himself. He made his pro debut in 1998 and has astonishingly gone on to fight 145 times for promotions such as Pancrase K-1, and PRIDE.
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Ritch is a born fighter. The American has a 2-1 record in boxing and has also tried his hand at bare-knuckle boxing. He holds a near flawless record of 25-2 in the underground bare-knuckle scene. His pro-MMA record, though, is not as glittering as the former as he has 54 wins and 84 losses on his resume.
The 47-year-old has even given pro wrestling and golf a shot when he is not in the mood to punch someone in the face or get punched for real.