Being the heavyweight champion has to be the most chest-thumping experience possible for a fighter, if for no other reason than that the title comes with the swaggering nickname "baddest man on the planet."

That glorifying designation first surfaced widely in boxing in the late 1980s during the heavyweight championship reign of Mike Tyson. His aggression, punching power and spine-chilling demeanor left opponents defeated by intimidation as much as fisticuffs. No one since has duplicated his fearsome aura in boxing, and the "baddest man" moniker has essentially shifted to MMA, a sport with a broader variety of combat engagement than anything the Marquess of Queensberry ever envisioned. Just ask three-weight boxing champion James Toney , who was taken off his feet with ease by Randy Cout

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