Floro Díaz had the following podium finishes at major championships: 1st in the 1951 Pan American Games épée team (with Antonio Villamil, Raúl Saucedo, Adolfo Guido Lavalle, Vito Simonetti, and the non-Olympian A. Repetto), 1st in the 1955 Pan American Games épée, 1st in the 1955 Pan American Games épée team (with Raúl Martínez, Santiago Massini, Félix Galimi, and the non-Olympians Adolfo Philippeaux and Alfredo Daverede), 3rd in the 1959 Pan American Games épée team (with Alberto Balestrini, Francisco Serp, Carlos Velázquez, and the non-Olympians Arturo Acuña and Mauricio Muñoz), 3rd in the 1963 Pan American Games épée team (with Raúl Martínez, Omar Vergara, Alberto Balestrini, and Guillermo Saucedo).