Rivera debuted in 1964 for the World Wide Wrestling Federation. That year, he also teamed with a rookie
Dino Bravo to challenge The Mongols (Geto and
Bolo Mongol) for the IWA World Tag Team Championship. After leaving the WWWF, Rivera feuded with Pedro Morales in Hawaii and California. He also worked for in Japan. In 1978, he returned as a heel under manager
"Classy" Freddie Blassie and challenged
Bob Backlund for the WWWF Championship in several arenas, including the Philadelphia Spectrum. He left again in 1979. In 1980, Rivera was once again wrestling in the Los Angeles territory of the
National Wrestling Alliance, when he won
its NWA World Tag Team Championship with Enforcer Luciano. In 1981, Rivera returned to Japan. Then in 1982, Riviera returned to WWWF now WWF worked as an enhancement talent until 1984 when he retired from wrestling. == Professional wrestling style and persona ==