João Batista de Sales (born January 19, 1945, in Conselheiro Pena, Minas Gerais), better known as Fio Maravilha, is a former Brazilian football player.
In Brazil he played for Flamengo, Paysandu Sport Club, CEUB, Desportiva and São Cristóvão.
Later he moved to the United States, where he played for the New York Eagles, the Montebello Panthers, and the San Francisco Mercury.
Fio was left out of Flamengo's starting lineup by coach Mário Zagallo, but after a chorus of fans demanded that he play, he was brought in as a substitute.
This biographical article related to a Brazilian association football forward born in the 1940s is a stub.