On December 18, 2004, a 29-year-old Pablo Chacón (51-6, 36 KOs) and János Nagy met in the ring for the 2nd time, in a super-featherweight bout.
Chacón came in to the fight on a 1-fight win streak with a 63% KO rate, and was fighting after a gap of 1 month and 5 days.
Pablo Chacón lost to János Nagy via unanimous decision in the 12-round super-featherweight fight, and adds a loss to his record at 51-7.
On July 15, 2004, 29-year-old Pablo Chacón (50-5, 35 KOs) and Mike Anchondo fought for the vacant WBO super-featherweight title.
Chacón came in to the fight on a 1-fight win streak with a 63% KO rate, and was fighting after a gap of 1 month and 16 days.
Pablo Chacón was defending his super-featherweight titles and, fighting for the super-featherweight WBO titles against Mike Anchondo and lost via unanimous decision in the 12-round super-featherweight fight, and adds a loss to his record at 50-6.
On February 14, 2004, a 28-year-old Pablo Chacón (49-4, 34 KOs) and Ricardo Silva met in the ring.
Chacón came in to the fight on a 1-fight win streak with a 64% KO rate, and was fighting after a gap of 2 months and 8 days.
Pablo Chacón lost to Ricardo Silva via split decision in the 10-round fight, and adds a loss to his record at 49-5.
On October 25, 2003, a 28-year-old Pablo Chacón (48-3, 33 KOs) and János Nagy met in the ring in a super-featherweight bout.
Chacón came in to the fight on a 4-fight win streak with a 64% KO rate, and was fighting after a gap of 2 months and 29 days.
Pablo Chacón lost to János Nagy via TKO in the 10th round, and adds a loss to his record at 48-4.
On October 19, 2002, the 27-year-old WBO featherweight world champion, Pablo Chacón (44-2, 31 KOs), faced a 25-year-old Scottish boxer Scott Harrison (17-1-1, 9 KOs), in a title defense fight.
Chacón came in to the fight on a 8-fight win streak with a 67% KO rate, and was fighting after a gap of 1 month and 19 days. Harrison was on a 14-fight win streak with a 47% KO rate, and fighting after a layoff of 4 months and 11 days.
Scott Harrison defeated Pablo Chacón via unanimous decision and wins the WBO title — in his first world-title fight. Harrison improves his record to 18-1-1, while Chacón adds a loss to his record at 44-3.
On September 8, 2000, a 25-year-old Pablo Chacón (36-1, 26 KOs) and Claudio Martinet met in the ring.
Chacón came in to the fight on a 1-fight losing streak with a 70% KO rate, and was fighting after a gap of 3 months and 14 days.
Pablo Chacón lost to Claudio Martinet via split decision in the 10-round fight, and adds a loss to his record at 36-2.
On May 25, 2000, a 25-year-old Pablo Chacón (36-0, 26 KOs) got a shot at the featherweight WBA title held by 30-year-old American boxer Freddie Norwood (37-0-1, 22 KOs).
Chacón came in to the fight on a 36-fight win streak with a 72% KO rate, and was fighting after a gap of 5 months and 7 days. Norwood was on a 20-fight win streak with a 57% KO rate, and fighting after a layoff of 3 months and 25 days.
Freddie Norwood defeated Pablo Chacón via unanimous decision and successfully defended his WBA featherweight title. Norwood improves his record to 38-0-1, while Chacón adds a loss to his record at 36-1.