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.
- Known for
- Acting
- Born
- 1984-09-25 · Indianapolis, Indiana, USA
Known for
- UFC 100: Lesnar vs. Mir 2 (2009) — Self
- UFC 82: Pride of a Champion (2008) — Self
- UFC 94: St-Pierre vs. Penn 2 (2009) — Self
- UFC 65: Bad Intentions (2006) — Self
- DREAM 15 (2010) — Self
- WEC 19: Undisputed (2006) — Self
- UFC Fight Night 8: Evans vs. Salmon (2007) — Self
- UFC Fight Night 14: Silva vs. Irvin (2008) — Self
- UFC Fight Night 6: Sanchez vs. Parisyan (2006) — Self