Jake O'Brien
25 Sep, 1984 in Indianapolis, Indiana, USA
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 Known As:
Irish
WEC 19: Undisputed
0%
(2006)
UFC Fight Night 8: Evans vs. Salmon
0%
(2007)
UFC 82: Pride of a Champion
65%
(2008)
UFC Fight Night 14: Silva vs. Irvin
0%
(2008)
UFC 94: St-Pierre vs. Penn 2
57%
(2009)
UFC 100: Lesnar vs. Mir 2
55%
(2009)
UFC Fight Night 6: Sanchez vs. Parisyan
0%
(2006)
UFC 65: Bad Intentions
69%
(2006)