In the main event of UFC 100 on Saturday night in Las Vegas, Brock Lesnar was able to get his revenge as he knocked out Frank Mir in the second round.Lesnar retains his UFC Heavyweight belt with the win and avenges his only UFC loss.

Lesnar showed no class after the fight as he gave the crowd the middle finger after they were booing him. He also delivered one of the best post-fight speeches ever.

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Warning: Some language in the interview is NSFW.

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