Here is a list of Sullivan's best fights. For a list of Sullivan's losses, refer to "George Sullivan Losses".
On April 14, 2012 George Sullivan fought Greg Soto in a welterweight title fight for Soto's CFFC Championship title. Sullivan was 31 years old and with a record of 10-3 (7), and Soto was 25 years old and with a record of 9-2 (6). Sullivan stopped Greg Soto via 1st-round KO and is crowned the new welterweight world champion.
On September 13, 2014 George Sullivan faced off against Igor Araújo in a welterweight bout at age 33. He was coming in with a record of 16-3 (11), and Araújo was 33 years old and with a record of 25-6 (18). Sullivan stopped Igor Araújo via KO.
On January 25, 2014 George Sullivan faced off against Mike Rhodes in a welterweight bout at age 32. He was coming in with a record of 15-3 (10), and Rhodes was 24 years old and with a record of 6-1 (4). Sullivan won the fight via 3-round unanimous decision.
On July 12, 2015 George Sullivan faced off against Dominic Waters in a welterweight bout at age 34. He was coming in with a record of 17-4 (11). Sullivan won the fight via 3-round unanimous decision.
On March 3, 2023 George Sullivan fought Albert McCowin in a middleweight title fight for the ROC Championship title. Sullivan was 41 years old and with a record of 19-8 (11). Sullivan won the fight via 3-round unanimous decision and is crowned the new middleweight world champion.
On February 2, 2013 George Sullivan met Julian Lane in a welterweight (CFFC Championship) title defense fight. Sullivan was 31 years old and with a record of 12-3 (8). Sullivan stopped Julian Lane via 2nd-round TKO and successfully defended his title.
