All Boys
Romero started his career at All Boys in the Primera B in 1967 when he was 16 years old. In 1972, they won 11 consecutive games (which remains a record for lower categories), obtaining 29/30 points. Therefore, on 14 October 1972, All Boys became Primera B champion defeating Excursionistas 1–0. He played the Primera División tournament with All Boys until 1976. In 1976, he moved to Temperley. In 1981, Romero returned to All Boys where he retired as a player.