Here is a list of Guerrero's best fights. For a list of Guerrero's losses, refer to "Robert Guerrero Losses".
On November 24, 2012 Robert Guerrero met Andre Berto in a welterweight (WBC) world-title defense fight. Guerrero was 29 years old and with a record of 31-1-1 (18), and Berto was 29 years old and with a record of 28-1 (22). Guerrero won the fight via 12-round unanimous decision and successfully defended his title.
On April 9, 2011 Robert Guerrero fought Michael Katsidis in a lightweight world-title fight for the WBA and WBO titles. Guerrero was 28 years old and with a record of 29-1-1 (18), and Katsidis was 30 years old and with a record of 27-3 (22). Guerrero won the fight via 12-round unanimous decision and is crowned the new lightweight world champion.
On July 31, 2010 Robert Guerrero faced off against Joel Casamayor at age 27. He was coming in with a record of 27-1-1 (18), and Casamayor was 39 years old and with a record of 37-4-1 (22). Guerrero won the fight via 10-round unanimous decision.
On June 21, 2014 Robert Guerrero faced off against Yoshihiro Kamegai at age 31. He was coming in with a record of 32-2-1 (18), and Kamegai was 31 years old and with a record of 24-1-1 (21). Guerrero won the fight via 12-round unanimous decision.
On August 21, 2021 Robert Guerrero faced off against Victor Ortiz at age 38. He was coming in with a record of 37-6-1 (20), and Ortiz was 34 years old and with a record of 32-6-3 (25). Guerrero won the fight via 10-round unanimous decision.
On June 23, 2006 Robert Guerrero faced off against Gamaliel Díaz in a featherweight bout at age 23. He was coming in with a record of 18-1-1 (11), and Díaz was 25 years old and with a record of 20-5-2 (9). Guerrero stopped Gamaliel Díaz via KO.
On December 16, 2023 Robert Guerrero faced off against Andre Berto in a welterweight bout at age 40. He was coming in with a record of 38-6-1 (20), and Berto was 40 years old and with a record of 32-5 (24). Guerrero won the fight via 10-round unanimous decision.
On February 29, 2008 Robert Guerrero met Jason Litzau in a featherweight (IBF) world-title defense fight. Guerrero was 24 years old and with a record of 22-1-1 (15), and Litzau was 24 years old and with a record of 23-1 (19). Guerrero stopped Jason Litzau via 8th-round KO and successfully defended his title.
On November 3, 2007 Robert Guerrero met Martin Honorio in a featherweight (IBF) world-title defense fight. Guerrero was 24 years old and with a record of 21-1-1 (14). Guerrero stopped Martin Honorio via 1st-round TKO and successfully defended his title.
On September 16, 2005 Robert Guerrero faced off against Sammy Ventura in a featherweight bout at age 22. He was coming in with a record of 16-0-1 (9). Guerrero stopped Sammy Ventura via KO.
