Jeff Lacy has six losses against six opponents on his boxing record. For a list of Lacy's best fights, refer to "Best fights of Jeff Lacy".
On January 30, 2015 Jeff Lacy faced off against Sullivan Barrera at age 37. He was coming in with a record of 27-6 (18), and Barrera was 32 years old and with a record of 14-0 (9). Lacy lost the fight via 4th-round TKO.
On July 10, 2014 Jeff Lacy faced off against Umberto Savigne in a light-heavyweight bout at age 37. He was coming in with a record of 26-5 (18). Lacy lost the fight via 2nd-round TKO.
On December 11, 2010 Jeff Lacy faced off against Dhafir Smith in a super-middleweight bout at age 33. He was coming in with a record of 25-4 (17), and Smith was 28 years old and with a record of 23-19-7 (4). Lacy lost the fight via 12-round unanimous decision.
On August 15, 2009 Jeff Lacy faced off against Roy Jones Jr. in a light-heavyweight bout at age 32. He was coming in with a record of 25-3 (17), and Jones Jr. was 40 years old and with a record of 53-5 (39). Lacy lost the fight via 10th-round retirement.
On November 15, 2008 Jeff Lacy faced off against Jermain Taylor at age 31. He was coming in with a record of 24-2 (17), and Taylor was 30 years old and with a record of 27-2-1 (17). Lacy lost the fight via 12-round unanimous decision.
On March 4, 2006 Jeff Lacy, the IBF champion, met Joe Calzaghe, the WBO and The Ring champion, in a super-middleweight world-title unification fight. Lacy was 28 years old and with a record of 21-1 (17), and Calzaghe was 33 years old and with a record of 40-0 (31). Lacy lost the fight via 12-round unanimous decision and lost his title.