About
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.
Filmography
DREAM 152010 · Self
UFC 100: Lesnar vs. Mir 22009 · Self
UFC 94: St-Pierre vs. Penn 22009 · Self
UFC Fight Night 14: Silva vs. Irvin2008 · Self
UFC 82: Pride of a Champion2008 · Self
UFC Fight Night 8: Evans vs. Salmon2007 · Self
UFC 65: Bad Intentions2006 · Self
UFC Fight Night 6: Sanchez vs. Parisyan2006 · Self
WEC 19: Undisputed2006 · Self