[4] Azevedo fought many champions and top rated contenders throughout his career, including Bruno Arcari, Carlos Palomino, Nicolino Locche, Joergen Hansen, Rocky Fratto, Billy Backus, Gianfranco Rosi, Marijan Beneš and Olympic Bronze medalist Mario Guilloti.
Azevedo fought his first 28 fights in his home country of Brazil and had a record of 19 wins, 5 draws and 4 losses.
[5] For a five-year period from 1967 until 1972 Azevedo was undefeated in 40 consecutive bouts until he reached the ranking of #2 Junior Welterweight in the world by the WBC.
[2] On December 2, 1972 Azevedo lost a 15-round decision to the Italian world champion Bruno Arcari in Torino, Italy.
[3] On September 13, 1977 Azevedo challenged champion Carlos Palomino for the WBC World Welterweight Championship.
He would end his career by knocking out the European and French Welterweight champion Alain Marion for a second time.