Vegan UFC pro fighter and Ultimate Fighter Season 6 winner Mac Danzig scored a win in his latest fight, UFC 109 on Feb 6. Scores were 29-28 by all judges for Danzig, whose record now stands at 20-7-1. He's the only pro vegan fighter I know of.
That's him, punching the other guy in the face. Not exactly tiny. He's 5'8" and cuts weight to fight at 155 lbs. He's now secured his spot in the UFC and will try and work his way up to a title shot. I'm rootin' for him!