On August 7, 2004, a 26-year-old Diego Corrales (38-2, 31 KOs) got a shot at the WBO lightweight title held by 28-year-old Brazilian boxer Acelino Freitas (35-0, 31 KOs).
Corrales came in to the fight on a 1-fight win streak with a 77% KO rate, and was fighting after a gap of 5 months and 1 day. Freitas was on a 35-fight win streak with a 88% KO rate, and fighting after a layoff of 7 months and 4 days.
Diego Corrales stopped the champion via TKO in the 10th round of the 12-round world-title fight, and is crowned the new WBO lightweight champion. Corrales improves his record to 39-2 (32 KOs), while Freitas adds a loss to his record at 35-1.
On May 7, 2005, the 27-year-old WBO lightweight champion, Diego Corrales (39-2, 32 KOs), and the 31-year-old WBC and The Ring lightweight champion José Luis Castillo (52-6-1, 46 KOs) met in a title-unification fight.
Corrales came in to the fight on a 2-fight win streak with a 78% KO rate, and was fighting after a gap of 9 months. Castillo was on a 6-fight win streak with a 78% KO rate, and fighting after a layoff of 2 months and 2 days.
Diego Corrales stopped José Luis Castillo via TKO in the 10th round of the 12-round world-title fight and unified the WBO, WBC, and The Ring lightweight titles. Corrales improves his record to 40-2 (33 KOs), while Castillo adds a loss to his record at 52-7-1.
On October 23, 1999, a 22-year-old Diego Corrales (28-0, 23 KOs) got a shot at the IBF super-featherweight title held by 24-year-old Robert Garcia (32-0, 24 KOs).
Corrales came in to the fight on a 28-fight win streak with a 82% KO rate, and was fighting after a gap of 4 months and 11 days. Garcia was on a 32-fight win streak with a 75% KO rate, and fighting after a layoff of 9 months and 7 days.
Diego Corrales stopped the champion via TKO in the 7th round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new IBF super-featherweight champion. Corrales improves his record to 29-0 (24 KOs), while Garcia adds a loss to his record at 32-1.
On March 6, 2004, Diego Corrales and Joel Casamayor met again in an immediate rematch.
Corrales came in to the fight on a 1-fight losing streak with a 79% KO rate, and was fighting after a gap of 5 months and 2 days. Casamayor was on a 4-fight win streak with a 61% KO rate, and fighting after a layoff of 5 months and 2 days.
Diego Corrales defeated Joel Casamayor via split decision in the rematch. Corrales improves his record to 38-2, while Casamayor adds a loss to his record at 30-2.
On March 18, 2000, the 22-year-old IBF super-featherweight world champion, Diego Corrales (30-0, 24 KOs), faced Derrick Gainer, in a title defense fight.
Corrales came in to the fight on a 30-fight win streak with a 80% KO rate, and was fighting after a gap of 3 months and 14 days.
Diego Corrales made easy work of Derrick Gainer, stopping the challenger via TKO in the 3rd. Corrales improves his record to 31-0 (25 KOs)
On September 2, 2000, the 23-year-old IBF super-featherweight world champion, Diego Corrales (32-0, 26 KOs), faced a 25-year-old Angel Manfredy (33-4-1, 26 KOs), in a title defense fight.
Corrales came in to the fight on a 32-fight win streak with a 81% KO rate, and was fighting after a gap of 2 months and 16 days. Manfredy was on a 5-fight win streak with a 68% KO rate, and fighting after a layoff of 2 months and 8 days.
Diego Corrales made easy work of Angel Manfredy, stopping the challenger via TKO in the 3rd. Corrales improves his record to 33-0 (27 KOs), while Manfredy adds a loss to his record at 33-5-1.
On December 4, 1999, the 22-year-old IBF super-featherweight world champion, Diego Corrales (29-0, 24 KOs), faced John Brown, in a title defense fight.
Corrales came in to the fight on a 29-fight win streak with a 82% KO rate, and was fighting after a gap of 1 month and 11 days.
Diego Corrales defeated John Brown via unanimous decision and successfully defended his IBF super-featherweight title. Corrales improves his record to 30-0
On June 17, 2000, a 22-year-old Diego Corrales (31-0, 25 KOs) and Justin Juuko met in the ring in a super-featherweight bout.
Corrales came in to the fight on a 31-fight win streak with a 80% KO rate, and was fighting after a gap of 2 months and 30 days.
Diego Corrales stopped Justin Juuko via KO in the 10th round. Corrales improves his record to 32-0 (26 KOs)
On May 9, 1997, a 19-year-old Diego Corrales (14-0, 12 KOs) and Javier Pichardo met in the ring in a super-featherweight bout.
Corrales came in to the fight on a 14-fight win streak with a 85% KO rate, and was fighting after a gap of 1 month and 5 days.
Diego Corrales stopped Javier Pichardo via KO in the 2nd round. Corrales improves his record to 15-0 (13 KOs)
On June 12, 1999, a 21-year-old Diego Corrales (27-0, 22 KOs) and Angel Aldama met in the ring for the 2nd time, in a lightweight bout.
Corrales came in to the fight on a 27-fight win streak with a 81% KO rate, and was fighting after a gap of 2 months and 10 days.
In the rematch, Diego Corrales stopped Angel Aldama via RTD in the 4th round. Corrales improves his record to 28-0 (23 KOs)