Lajuan Simon has five losses against five opponents on his boxing record. For a list of Simon's best fights, refer to "Best fights of Lajuan Simon".
On December 6, 2013 Lajuan Simon faced off against J'Leon Love at age 34. He was coming in with a record of 23-5-2 (12), and Love was 26 years old and with a record of 15-0 (8). Simon lost the fight via 6th-round KO.
On December 9, 2011 Lajuan Simon faced off against Gennady Golovkin at age 32. He was coming in with a record of 23-4-2 (12), and Golovkin was 29 years old and with a record of 21-0 (18). Simon lost the fight via 1st-round KO.
On December 3, 2010 Lajuan Simon faced off against Dionisio Miranda at age 31. He was coming in with a record of 23-3-2 (12). Simon lost the fight via 12-round split decision.
On June 27, 2009 Lajuan Simon faced off against Sebastian Sylvester at age 30. He was coming in with a record of 21-2-2 (12), and Sylvester was 28 years old and with a record of 30-3 (15). Simon lost the fight via 12-round unanimous decision.
On March 14, 2009 Lajuan Simon faced off against Arthur Abraham at age 30. He was coming in with a record of 21-1-2 (12), and Abraham was 29 years old and with a record of 28-0 (23). Simon lost the fight via 12-round unanimous decision.