He won his first league title with América during the 1983–84 season, having a standout performance against Guadalajara in the second-leg of the final, with the score 2–2 after the first-leg. In the second-leg, game was tied 0-0 when Zelada committed a foul in the penalty area. He subsequently saved Eduardo Cisneros' penalty kick.
He won his first league title with América during the 1983–84 season, achieving a remarkable performance against Guadalajara in the second leg of the final, with the score tied at 2-2 after the first leg. In the second leg, the game was scoreless when Zelada committed a foul inside the penalty area. He then saved Eduardo Cisneros' penalty kick.