Jake O'Brien
Jacob Allen O'Brien is a retired American professional mixed martial artist who most recently competed in the Heavyweight division. A professional competitor from 2005 until 2012, he fought for the UFC, WEC, and DREAM.
also starring Jake O'Brien
WEC 19: Undisputed
As Self
UFC Fight Night 8: Evans vs. Salmon
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UFC 82: Pride of a Champion
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UFC Fight Night 14: Silva vs. Irvin
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UFC 100: Lesnar vs. Mir 2
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UFC 94: St-Pierre vs. Penn 2
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UFC Fight Night 6: Sanchez vs. Parisyan
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UFC 65: Bad Intentions
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DREAM 15
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