Jake O'Brien losses

Over 7 years as a professional, Jake O'Brien has compiled a 15-4 (10) record. He has four losses.

1. 4. Jake O'Brien loses to Gegard Mousasi via KO in 31 seconds

   On July 10, 2010 Jake O'Brien faced Gegard Mousasi in a light heavyweight bout. O'Brien was 25 years old with a record of 13-3, and Mousasi was 24 with a record of 28-3-1. O'Brien was on a 2-fight winning streak, while Mousasi was coming off a loss. Mousasi submitted O'Brien via guillotine choke in the 1st round.

2. 3. Jake O'Brien loses to Jon Jones via KO

   On July 11, 2009 Jake O'Brien faced Jon Jones in a light heavyweight bout. O'Brien was 24 years old with a record of 11-2, and Jones was 21 with a record of 8-0. O'Brien was coming off a win and Jones was on an undefeated 8-fight winning streak. Jones submitted O'Brien via guillotine choke in the 2nd round.

3. 2. Jake O'Brien loses to Cain Velasquez via KO

   On July 19, 2008 Jake O'Brien faced Cain Velasquez. O'Brien was 23 years old with a record of 10-1, and Velasquez was 25 with a record of 3-0. O'Brien was coming off a loss, while Velasquez was on an undefeated 3-fight winning streak. Velasquez stopped O'Brien via TKO in the 1st round.

4. 1. Jake O'Brien loses to Andrei Arlovski via KO

   On March 1, 2008 Jake O'Brien faced Andrei Arlovski in a heavyweight bout. O'Brien was 23 years old with a record of 10-0, and Arlovski was 29 with a record of 12-5. O'Brien was on an undefeated 10-fight winning streak and Arlovski was on a 2-fight winning streak. Arlovski stopped O'Brien via TKO in the 2nd round.