Originally from CR Vasco da Gama in the Brazilian metropolis Rio de Janeiro, in 1971 he joined Eastern Suburbs Hakoah, later well known as Sydney City in Australia, where he won several titles.

The winger and midfielder Muniz played for Brazilian team CR Vasco da Gama in Rio de Janeiro from 1966 to 1971.

[1] In 1971, he was brought to Australia alongside four more Brazilians, including Hilton Silva and Luis de Melo, by then so-called Eastern Suburbs Hakoah of Sydney.

With this team, coached by Eddie Thomson he won, playing alongside legendary John Kosmina, once more the Australian Championship.

Between 1984 and 1990 "Agi" joined Portugal Madeira Club / Dulwich Hill Madeira later known as Dulwich Hill FC as a highly successful Captain / Coach and progressed the club from NSW Inter Urban Fourth Division First Grade through to NSW Division One First Grade[5] Muniz played 20 times for Australia between 1975 and 1978.