In B.J. Penn's seven fights since returning to the UFC in 2006, he's 4-3. That record doesn't even come close to telling the story of Penn, the most dominant lightweight fighter in MMA history.

The light heavyweight division is the most talented weight class in the Ultimate Fighting Championship, but after watching Lyoto Machida dominate Rashad Evans for the title Saturday night at UFC 98, I'm having a very hard time seeing how anyone is going to beat him any time soon.

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