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Personal Info
Known For
Acting
Birthday
September 25, 1984
Place of Birth
Indianapolis, Indiana, USA
Also Known As
- Irish
Jake O'Brien
0.0 Popularity
Biography
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
4.5
Self
DREAM 15
2010
5.5
Self
UFC 100: Lesnar vs. Mir 2
2009
5.7
Self
UFC 94: St-Pierre vs. Penn 2
2009
0.0
Self
UFC Fight Night 14: Silva vs. Irvin
2008
6.5
Self
UFC 82: Pride of a Champion
2008
0.0
Self
UFC Fight Night 8: Evans vs. Salmon
2007
6.9
Self
UFC 65: Bad Intentions
2006
0.0
Self
UFC Fight Night 6: Sanchez vs. Parisyan
2006
0.0
Self
WEC 19: Undisputed
2006
Credits
DREAM 15
as Self
2010
4.5
UFC 100: Lesnar vs. Mir 2
as Self
2009
5.5
UFC 94: St-Pierre vs. Penn 2
as Self
2009
5.7
UFC Fight Night 14: Silva vs. Irvin
as Self
2008
0.0
UFC 82: Pride of a Champion
as Self
2008
6.5
UFC Fight Night 8: Evans vs. Salmon
as Self
2007
0.0
UFC 65: Bad Intentions
as Self
2006
6.9
UFC Fight Night 6: Sanchez vs. Parisyan
as Self
2006
0.0
WEC 19: Undisputed
as Self
2006
0.0