To the uninitiated, Mixed Martial Arts (MMA) is just snapped bones and teeth skittering across canvases and lots and lots of pain. Well, it's that (and then some). But there's also an art to it. The best example is the current pound-four-pound champ of the world, Anderson Silva. Quick, precise, and unorthodox, Silva fights like a ballet dancer—if a ballet dancer hurt people. Silva's fighting in his home country of Brazil in UFC 134 Saturday night, and our good friends at have put together a look at his 10 Greatest Knockouts. If you know MMA, you'll want to take a walk down memory lane; if you don't, this is a great way to be introduced to the sport. [via]