Has a son Carlos Alberto Monzón with his then-partner Zulma Encarnación Torres.
Father of Silvia, Abel and Carlos Raúl with his 1st wife Mercedes "Pelusa" García.
Has a son Maximiliano Roque Monzón (b. 1981) with his then-partner Alicia Muñíz.
World middleweight boxing champion 1970 - '77.
Inducted into the International Boxing Hall of Fame, 1990.
Inducted into the World Boxing Hall of Fame, 1983.
Defeated world champions Nino Benvenuti, Emile Griffith, Denny Moyer,
Jose Naples, and Rodrigo "Rocky" Valdez.
Boxing WBC Middleweight World Champion (1970-1974 & 1976-1977) & WBA Middleweight World Champion (1970-1977). Argentine Middleweight Champion (1966-1970) & South American Middleweight Champion (1967-1970).
Pro record: 87 wins 3 losses 1 draw 1 no contest, 59 wins by KO.
Following his passing in 1995, he succeeded Dick Tiger as the youngest (i.e. most recent born) middleweight champion to die. That status then passed to compatriot, Hugo Corro in 2007.