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.
Birthday: 25 September 1984
Birth place: Indianapolis, Indiana, USA
Known for: Acting
Movies known for
WEC 19: Undisputed
UFC Fight Night 8: Evans vs. Salmon
UFC 82: Pride of a Champion
UFC Fight Night 14: Silva vs. Irvin
UFC 94: St-Pierre vs. Penn 2
UFC 100: Lesnar vs. Mir 2
UFC 65: Bad Intentions
UFC Fight Night 6: Sanchez vs. Parisyan
DREAM 15