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Jason Villarreal vs Michael Sierra
Tale of the tape · head-to-head comparison
Michael Sierra defeated Jason Villarreal by Submission (Kneebar) at XKO - Xtreme Knockout 9 (Jan 29, 2011).
United States0-2-0Record4-7-0
0Wins4
0%Finish Rate100%
0KO / TKO2
0Submissions2
5'7"Height—
—Age43
FeatherweightWeight ClassFlyweight
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