Mar 1964
Gimnasio Nacional, Panama City
Oct 1963
Arena Progreso, Guadalajara, Jalisco
Aug 1963
Coliseo Cerrado de Deportes, Guayaquil
Jul 1963
Plaza de Toros Santamaria, Bogota
Jun 1963
Gimnasio Nacional, Panama City
Apr 1963
Rizal Memorial Sports Complex, Manila, Metro Manila
Apr 1963
Bahia Blanca, Buenos Aires
Apr 1963
Villa Mercedes, Corrientes
Feb 1963
San Luis, San Luis
Jan 1963
Villa Dolores, Buenos Aires
Dec 1962
Cordoba, Cordoba
Jun 1962
San Miguel de Tucumán, Tucuman
May 1962
Estadio Luna Park, Buenos Aires, Distrito Federal
May 1962
Santiago Del Estero, Santiago del Estero
Apr 1962
San Miguel de Tucumán, Tucuman
Mar 1962
Miramar, Cordoba
Feb 1962
Balcarce, Buenos Aires
Jan 1962
Nueve de Julio, San Juan
Dec 1961
Cordoba, Cordoba
Oct 1961
Estadio Norte, Rosario, Santa Fe
Sep 1961
Río Gallegos, Santa Cruz
Jul 1961
Río Gallegos, Santa Cruz
Jul 1961
Río Gallegos, Santa Cruz
Jul 1961
Punta Alta, Buenos Aires
May 1961
Cipolletti, Rio Negro
May 1961
General Roca, Rio Negro
Apr 1961
San Pedro, Buenos Aires
Apr 1961
Quilmes, Buenos Aires
Mar 1961
Estadio Racing Club, Avellaneda, Buenos Aires
Sep 1960
Olympic Auditorium, Los Angeles, California
Apr 1960
Lumpinee Boxing Stadium, Bangkok
Nov 1959
Ogimachi Pool, Osaka, Osaka
Aug 1959
Metropolitan Gym, Tokyo
Feb 1959
Nihon University Auditorium, Tokyo
Jan 1959
Metropolitan Gym, Tokyo
Dec 1958
Rizal Memorial Sports Complex, Manila, Metro Manila
Nov 1958
Rif-stadion, Willemstad
Apr 1958
Nuevo Circo, Caracas
World Flyweight Title
Arias is first Venezuelan to fight for a World Title
Mar 1958
Buenos Aires, Distrito Federal
Dec 1957
Club Atletico Boca Juniors, Buenos Aires, Distrito Federal
Sep 1957
La Plata, Buenos Aires
Aug 1957
Club Ramon Santamarina, Tandil, Buenos Aires
Aug 1957
Pabellon de Industrias, Santa Fe, Santa Fe
Jul 1957
Estadio Babilonia, Buenos Aires, Distrito Federal
Mar 1957
Club Atletico San Lorenzo de Almagro, Buenos Aires, Distrito Federal
Dec 1956
Estadio Luna Park, Buenos Aires, Distrito Federal
Sep 1956
Estadio Comuneros, Asuncion
Sep 1956
Ginásio do Estádio Pacaembu, Sao Paulo, Sao Paulo
Aug 1956
Estadio Norte, Rosario, Santa Fe
Aug 1956
Club Ramon Santamarina, Tandil, Buenos Aires
Jun 1956
Palacio Peñarol, Montevideo
Jun 1956
Estadio Ebro, Martínez, Buenos Aires
Jun 1956
Salon de los Deportes, Bahia Blanca, Buenos Aires
Mar 1956
Federación Mendocina de Box, Ciudad Mendoza, Mendoza
Mar 1956
Estadio Luna Park, Buenos Aires, Distrito Federal
Feb 1956
Estadio Bristol, Mar del Plata, Buenos Aires
Perez floored in the second round.
Jan 1956
Estadio Luna Park, Buenos Aires, Distrito Federal
Oct 1955
Estadio Luna Park, Buenos Aires, Distrito Federal
Aug 1955
Catamarca, Catamarca
May 1955
Korakuen Baseball Stadium, Tokyo
Apr 1955
Estadio Luna Park, Buenos Aires, Distrito Federal
Perez down in the second round for no count, while Barenghi was floored three times in total during the bout.
Nov 1954
Korakuen Baseball Stadium, Tokyo
Jul 1954
Estadio Luna Park, Buenos Aires, Distrito Federal
Jun 1954
La Plata, Buenos Aires
Jun 1954
Comodoro Rivadavia, Chubut
Jun 1954
Comodoro Rivadavia, Chubut
May 1954
Estadio Luna Park, Buenos Aires, Distrito Federal
Apr 1954
Estadio Luna Park, Buenos Aires, Distrito Federal
Mar 1954
Estadio Luna Park, Buenos Aires, Distrito Federal
Mar 1954
Catamarca, Catamarca
Feb 1954
Estadio Luna Park, Buenos Aires, Distrito Federal
Feb 1954
Club Ramon Santamarina, Tandil, Buenos Aires
Perez was argentine champion of flyweight.
Feb 1954
Estadio Luna Park, Buenos Aires, Distrito Federal
Jan 1954
Catamarca, Catamarca
Jan 1954
San Miguel de Tucumán, Tucuman
Jan 1954
Catamarca, Catamarca
Dec 1953
Uspallata, Mendoza
Dec 1953
Catamarca, Catamarca
Nov 1953
Estadio Luna Park, Buenos Aires, Distrito Federal
Nov 1953
Estadio Luna Park, Buenos Aires, Distrito Federal
The title had been vacant since 1934. Perez would relinquished the title in March1957.
Mar 1953
Estadio Luna Park, Buenos Aires, Distrito Federal
Mar 1953
Estadio Babilonia, Ciudad Mendoza, Mendoza
Feb 1953
Estadio Babilonia, Ciudad Mendoza, Mendoza
Jan 1953
Estadio Babilonia, Ciudad Mendoza, Mendoza
Dec 1952
San Fernando, Buenos Aires
Dec 1952
Gerli, Buenos Aires