Check out the countdown of the top 10 pound-for-pound fighter in the sport in the latest USA TODAY Sports/MMAjunkie MMA Power Rankings. Although UFC light heavyweight kingpin Jon Jones maintains the No. 1 spot, the continued success of UFC featherweight champion Jose Aldo leaves the Brazilian nipping at his heels. Additionally, UFC middleweight champion Chris Weidman could soon bolster his resume in a May clash with Lyoto Machida. Check out where your favorite fighter lands on the pound-for-pound list. Or, for the rankings in each weight class, check out the full USA TODAY Sports/MMAjunkie MMA Power Rankings
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