The numbers are something out of a video game or a movie or someone's imagination. In amateur kickboxing, Stephen "Wonderboy" Thompson was 37-0. As a pro kickboxer, 20-0. As a professional mixed martial artist, he's 5-0 so far. That's 62 straight fights without a loss.

But it's no facade, and his record is no product of fishy matchmaking. In fact, despite his newness on the MMA scene, he's already wowed some of this sports' brightest minds. Georges St-Pierre's trainer Firas Zahabi recently called Thompson "definitely the best karate guy, the best striker I've ever seen, all around in any sport."

The welterweight brings his exceptional record to this weekend's UFC 143, where he faces fellow octagon rookie Daniel Stittgen, hoping to extend his ridiculous streak.

The remarkable run is the result of a lifetime spent in the martial arts. Ask him about the last time he lost a fight in competition and he has to scan his memory, traveling more than a decade back into the 1990s, when he was a 12-year-old on the karate tournament circuit.

"Honestly, I did hundreds and hundreds of them, and I probably lost every one of them," he said. "I maybe won one time. I would get my butt tore up. I remember that like it was yesterday. So I learned as a young kid to keep my chin up and keep training hard. I know what losing feels like and I don't want to do it again. That's what pushes me now."

His experiences as a youth didn't just supply the drive for his current success, they also provided his "Wonderboy" moniker. Given his resume, you might guess that it stems from his remarkable success as a fighter, but you would be wrong. Instead, he got pegged with the name back in elementary school, when he was known for singing and dancing, and got tagged by his sister's boyfriend as "Stevie Wonder," later altered to "Wonderboy."...

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