Mixed martial arts -- the hard-hitting, tough-as-nails combat sport that has gained legions of fans in recent years -- will receive an even brighter spotlight this weekend with the release of 'Warrior.' The film -- starring Tom Hardy and Joel Edgerton as two down-on-their-luck brothers who enter the ring to raise some cash -- takes the classic underdog sports story and applies it to the brutal game of strikes and submissions. 'Warrior' is sure to spark the curiosity of a few audience members who want to check out the next UFC event, but which real-life warriors are worth following?
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