Pablo Chacón

He later moved up a weight class and challenged Mike Anchondo for the Vacant WBO Super Featherweight Title, but lost a decision.

His 25th fight was for the vacant WBO super featherweight title in 2004 in which he faced Pablo Chacón in Miami.

Chacon won his first 36 fights, setting up a fight with WBA Featherweight Title holder Freddie Norwood in 2000.

Among his notable defenses were a 9th-round KO over former WBC Featherweight Title holder Takashi Koshimoto, a unanimous decision victory over former WBO Featherweight Title holder Julio Pablo Chacón and former IBF and WBA Featherweight title holder Juan Manuel Márquez.

In 2001, Chacon defeated Istvan Kovacs by TKO to win the WBO Featherweight title.

Kovács's first title defense match came in June 2001, against unheralded Argentinian Julio Pablo Chacón.

Julio Pablo Chacón (born May 22, 1975) is an Argentine boxer.

Julio Pablo Chacón (born May 22, 1975) is an Argentine boxer.

Nicknamed "El Relámpago", Chacon won a Featherweight Bronze medal at the 1996 Summer Olympics.

Nicknamed "El Relámpago", Chacon won a Featherweight Bronze medal at the 1996 Summer Olympics.

He was born in Las Heras, Mendoza.

He defended his title four times, including a victory over Victor Polo, prior to losing his title in 2002 to interim champ Scott Harrison.