He embarked on a brilliant career as an all-around athlete excelling in swimming, basketball, soccer, track, and even boxing.

His coaching career was a success, mentoring basketball championship teams of San Beda College, and the University of Santo Tomas.

Later, Calvo coached the Philippines men's national basketball team to a fifth-place finish in the 1936 Summer Olympics held at Berlin, Germany.

The team included Filipino legends Ambrosio Padilla, Charlie Borck and Jacinto Ciria Cruz, along with Primitivo Martinez, Bibiano Ouano, Franco Marquicias, Francisco and Jose Vestil.

Calvo also coached the Philippines national football team that finished with a tie for second place in the 1934 Far Eastern Games.