Here is a list of McCullough's best fights. For a list of McCullough's losses, refer to "Rob McCullough Losses".
On September 5, 2007 Rob McCullough met Richard Crunkilton in a lightweight (WEC Championship) title defense fight. McCullough was 30 years old and with a record of 15-3 (12), and Crunkilton was 27 years old and with a record of 17-1 (15). McCullough stopped Richard Crunkilton via 1st-round TKO and successfully defended his title.
On January 20, 2007 Rob McCullough fought Kit Cope in a lightweight title fight for Cope's WEC Championship title. McCullough was 29 years old and with a record of 14-3 (11), and Cope was 29 years old and with a record of 2-3 (2). McCullough stopped Kit Cope via 1st-round submission and is crowned the new WEC lightweight champion.
On June 15, 2006 Rob McCullough faced off against Ryan Healy at age 29. He was coming in with a record of 12-3 (10), and Healy was 22 years old and with a record of 12-2-1 (11). McCullough stopped Ryan Healy via TKO.
On April 5, 2003 Rob McCullough faced off against Nam Phan at age 25. He was coming in with a record of 5-2 (3), and Phan was 20 years old and with a record of 4-0 (2). McCullough won the fight via 2-round unanimous decision.
On March 1, 2009 Rob McCullough faced off against Marcus Hicks in a lightweight bout at age 31. He was coming in with a record of 17-5 (12), and Hicks was 33 years old and with a record of 8-1 (8). McCullough won the fight via 3-round majority decision.
On March 17, 2006 Rob McCullough faced off against Olaf Alfonso at age 28. He was coming in with a record of 10-3 (8). McCullough stopped Olaf Alfonso via KO.
On October 4, 2001 Rob McCullough faced off against Jesse Heck at age 24. He was coming in with a record of 1-0 (1). McCullough stopped Jesse Heck via TKO.
On June 1, 2008 Rob McCullough faced off against Kenneth Alexander in a lightweight bout at age 31. He was coming in with a record of 16-4 (12). McCullough won the fight via 3-round split decision.
On September 9, 2010 Rob McCullough faced off against Corey Hill in a lightweight bout at age 33. He was coming in with a record of 19-6 (13), and Hill was 31 years old and with a record of 4-3 (3). McCullough won the fight via 3-round unanimous decision.
On May 5, 2006 Rob McCullough faced off against Randy Hauer at age 28. He was coming in with a record of 11-3 (9). McCullough stopped Randy Hauer via TKO.