Here is a list of Casamayor's best fights. For a list of Casamayor's losses, refer to "Joel Casamayor Losses".
On January 25, 2003 Joel Casamayor faced off against Nate Campbell at age 31. He was coming in with a record of 29-1 (18), and Campbell was 30 years old and with a record of 23-0 (21). Casamayor won the fight via 10-round unanimous decision.
On October 7, 2006 Joel Casamayor fought Diego Corrales in a lightweight world-title fight for the WBC title. Casamayor was 35 years old and with a record of 34-3-1 (21), and Corrales was 29 years old and with a record of 40-3 (33). Casamayor won the fight via 12-round split decision and is crowned the new lightweight world champion.
On March 22, 2008 Joel Casamayor, the The Ring champion, met Michael Katsidis, the WBO champion, in a lightweight world-title unification fight. Casamayor was 36 years old and with a record of 36-3-1 (22), and Katsidis was 27 years old and with a record of 23-0 (20). Casamayor stopped Michael Katsidis via 10th-round TKO and is crowned the unified The Ring and WBO champion.
On October 4, 2003 Joel Casamayor faced off against Diego Corrales in a super-featherweight bout at age 32. He was coming in with a record of 30-1 (19), and Corrales was 26 years old and with a record of 37-1 (31). Casamayor stopped Diego Corrales via TKO.
On January 6, 2001 Joel Casamayor met Robert Garcia in a super-featherweight (WBA) world-title defense fight. Casamayor was 29 years old and with a record of 24-0 (15), and Garcia was 25 years old and with a record of 33-2 (24). Casamayor stopped Robert Garcia via 9th-round TKO and successfully defended his title.