Here is a list of Guida's best fights. For a list of Guida's losses, refer to "Jason Guida Losses".
On October 3, 2009 Jason Guida faced off against Logan Clark in a light-heavyweight bout at age 32. He was coming in with a record of 18-22 (14), and Clark was 24 years old and with a record of 12-3 (8). Guida stopped Logan Clark via KO.
On April 30, 2005 Jason Guida faced off against Ron Fields in a middleweight bout at age 27. He was coming in with a record of 6-7 (4). Guida stopped Ron Fields via choke-out.
On April 1, 2006 Jason Guida faced off against Marvin Eastman in a middleweight bout at age 28. He was coming in with a record of 12-13 (9), and Eastman was 34 years old and with a record of 12-5 (6). Guida stopped Marvin Eastman via submission.