Career
His career lasted from the 1960s until 2001. Mercante"s son also became a noted referee. His first title bout was the second fight between Floyd Patterson and Ingemar Johansson.
In the second fight, Patterson became the first fighter to regain the heavyweight title.
Mercante was also the referee for many notable bouts, including the first Muhammad Ali-Joe Frazier fight on March 8, 1971, the first bout between George Foreman and Joe Frazier, the first bout between Alexis Arguello and Alfredo Escalera, the Wilfredo Gomez-Lupe Pintor fight, the first bout between Edwin Rosario and Jose Luis Ramirez and Rosario"s bout with Hector Camacho Senior His refereeing career began professionally in 1956 and ended in 2001 at the age of 81.
In 1995 he was inducted into the International Boxing Hall of Fame in Canastota, New New York