Yair Rodriguez picked up a win over an MMA legend in B.J. Penn in Sunday’s UFC Fight Night 103 main event. It was impressive – a dominant second-round TKO after plenty of flashy moves in the first. How far of a climb was he able to make in the featherweight rankings? And what of flyweight Sergio Pettis, who picked up his fourth straight win in the division and beat a former title challenger in John Moraga? Pettis climbed well into the top 15 of the USA TODAY Sports/MMAjunkie MMA flyweight rankings, which have been dominated by UFC champ Demetrious Johnson for years
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