Eduardo Jorge Lausse was an Argentinian

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

 middleweight contender, known for his knockout punch, who boxed from 1947 to 1960. He was a southpaw who fought mainly in South America. His career record was 75 wins (63 by KO), 10 losses and 2 draws.

He fought former welterweight

Welterweight

Welterweight is a weight class division in combat sports. Originally the term "welterweight" was used only in boxing, but other combat sports like kickboxing, taekwondo and mixed martial arts also began to use it for their own weight division system...

 champion Kid Gavilan

Kid Gavilan

Gerardo González , better known in the boxing world as Kid Gavilan, was a former world welterweight champion from Cuba...

 on September 13, 1952, dropping a ten round decision, but defeated Gavilan in a rematch on September 3, 1955. Lausse, nickname

Nickname

A nickname is "a usually familiar or humorous but sometimes pointed or cruel name given to a person or place, as a supposedly appropriate replacement for or addition to the proper name.", or a name similar in origin and pronunciation from the original name....

d El Zurdo, also fought and outpointed future middleweight champion Gene Fullmer

Gene Fullmer

Gene Fullmer is a former American middleweight boxer and world champion.-Professional career:Fullmer began his professional career in 1951 and won his first 29 fights, 19 by knockout...

, but never fought for the crown. In 2003 Lausse made the Ring Magazine's list of 100 greatest punchers of all time.