Fight History
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Jake O'Brien vs Christian Wellisch
UFC 94: St-Pierre vs Penn 2
Sat, Jan 31
Round 3Time 5:00Method S-DEC -
Jake O'Brien vs Andrei Arlovski
UFC 82: Pride of a Champion
Sat, Mar 01
Round 2Time 4:17Method KO/TKO -
Jake O'Brien vs Heath Herring
UFC Fight Night: Evans vs Salmon
Thu, Jan 25
Round 3Time 5:00Method U-DEC