Anderson Silva beat Chael Sonnen by TKO in round 2 at UFC 148 to retain his middleweight title. Sonnen absolutely dominated Silva on the ground for the entire first round, however after trying a spinning back-fist in round 2, Silva took advantage.
Sonnen lost his balance and while on the ground, against the cage, Silva took advantage. He landed a swift knee to the chest and followed up with some serious ground and pound.
Full fight video highlights below.
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