John Kolosci losses
Over 9 years as a professional, John Kolosci has compiled a 15-9 (8) record, fighting across four weight classes. He has nine losses.
9. John Kolosci loses to Ryan Thomas via KO
On December 2, 2011 John Kolosci faced Ryan Thomas in a welterweight bout. Kolosci was 37 years old with a record of 15-8, and Thomas was 27 with a record of 12-7. Kolosci was coming off a win, while Thomas was coming off a loss. Thomas submitted Kolosci via reverse triangle choke in the 1st round.
8. John Kolosci loses to Forrest Petz via KO
On April 9, 2011 John Kolosci faced Forrest Petz in a middleweight bout. Kolosci was 36 years old with a record of 14-7, and Petz was 35 with a record of 22-9. Kolosci was coming off a loss, while Petz was coming off a win. Petz stopped Kolosci via TKO in the 2nd round.
7. John Kolosci loses to Kenny Robertson via KO
On August 19, 2010 John Kolosci faced Kenny Robertson in a welterweight bout. Kolosci was 35 years old with a record of 14-6, and Robertson was 26 with a record of 9-0. Kolosci was on a 2-fight winning streak and Robertson was on an undefeated 9-fight winning streak. Robertson submitted Kolosci via americana in the 2nd round.
6. John Kolosci loses to Shamar Bailey via unanimous decision
On November 7, 2009 John Kolosci faced Shamar Bailey in a welterweight bout. Kolosci was 34 years old with a record of 12-5, and Bailey was 27 with a record of 10-1. Kolosci was on a 4-fight winning streak and Bailey was on a 3-fight winning streak. Kolosci lost via unanimous decision. Went the distance with Bailey.
5. John Kolosci loses to Matt Arroyo via KO
On December 8, 2007 John Kolosci faced Matt Arroyo in a welterweight bout. Kolosci was 33 years old with a record of 8-4, and Arroyo was 25 with a record of 2-1. Kolosci was coming off a loss, while Arroyo was coming off a win. Arroyo submitted Kolosci via armbar in the 1st round.
4. John Kolosci loses to William Hill via KO
On March 4, 2007 John Kolosci faced William Hill in a light heavyweight bout. Kolosci was 32 years old with a record of 8-3, and Hill was 0 with a record of 0-0. Kolosci was coming off a win. Hill stopped Kolosci via TKO in the 1st round.
3. John Kolosci loses to Bryan Rafiq via KO
On August 26, 2006 John Kolosci faced Bryan Rafiq in a middleweight bout. Kolosci was 31 years old with a record of 7-2, and Rafiq was 0 with a record of 0-0. Kolosci was on a 5-fight winning streak. Rafiq submitted Kolosci via guillotine choke in the 1st round.
2. John Kolosci loses to Pat O'Malley via unanimous decision
On June 12, 2004 John Kolosci faced Pat O'Malley. Kolosci was 29 years old with a record of 2-1, and O'Malley was 0 with a record of 0-0. Kolosci was coming off a loss. Kolosci lost via unanimous decision.
1. John Kolosci loses to Jason Rigsby via KO
On December 13, 2003 John Kolosci faced Jason Rigsby. Kolosci was 29 years old with a record of 2-0, and Rigsby was 0 with a record of 0-0. Kolosci was on an undefeated 2-fight winning streak. Rigsby submitted Kolosci via rear-naked choke in the 2nd round.