Juan Lazcano has five losses against five opponents on his boxing record. For a list of Lazcano's best fights, refer to "Best fights of Juan Lazcano".
On May 24, 2008 Juan Lazcano faced off against Ricky Hatton in a super-lightweight bout at age 33. He was coming in with a record of 37-5-1 (27), and Hatton was 29 years old and with a record of 43-1 (31). Lazcano lost the fight via 12-round unanimous decision.
On February 10, 2007 Juan Lazcano faced off against Vivian Harris at age 31. He was coming in with a record of 37-4-1 (27), and Harris was 28 years old and with a record of 27-2-1 (18). Lazcano lost the fight via 12-round unanimous decision.
On June 5, 2004 Juan Lazcano fought Jose Luis Castillo in a lightweight world-title fight for Castillo's WBC title. Lazcano was 29 years old and with a record of 33-3-1 (25), and Castillo was 30 years old and with a record of 49-6-1 (45). Lazcano lost the fight via 12-round unanimous decision.
On June 6, 1998 Juan Lazcano faced off against Golden Johnson at age 23. He was coming in with a record of 14-2-1 (9). Lazcano lost the fight via 3rd-round TKO.
On July 24, 1994 Juan Lazcano faced off against Jose Manjarrez at age 19. He was coming in with a record of 8-1 (5). Lazcano lost the fight via 6-round unanimous decision.
