Here is a list of Kolosci's best fights. For a list of Kolosci's losses, refer to "John Kolosci Losses".
On June 11, 2010 John Kolosci faced off against Luigi Fioravanti in a welterweight bout at age 35. He was coming in with a record of 14-6 (8), and Fioravanti was 29 years old and with a record of 17-7 (10). Kolosci stopped Luigi Fioravanti via submission.
On April 30, 2005 John Kolosci faced off against Mike Todorovic in a lightweight bout at age 30. He was coming in with a record of 5-2 (4). Kolosci stopped Mike Todorovic via TKO.
On December 6, 2003 John Kolosci faced off against Brent Calloway at age 29. He was coming in with a record of 2-0 (2). Kolosci stopped Brent Calloway via submission.
