Comas (nicknamed "Comitas", a diminutive ) started his professional career with
Colón de Santa Fe in 1980. After the club was relegated from the
Primera División in 1981 he moved to
Vélez Sársfield where he scored 54 goals in 166 games. He was the
topscorer in 1985
Nacional championship with 12 goals. In 1986 Comas joined
Boca Juniors where he improved his goal scoring ratio, scoring 63 goals in 127 games in all competitions. Despite having played only 4 years for the
Xeneize, he was the 2nd top scorer of
1986–87 season with 19 goals. Comas formed a remembered attacking line with right-winger
Alfredo Graciani and centre-forward
Jorge Rinaldi. In 1989 Comas joined Mexican side
Veracruz, where he became a fan favourite after being the top scorer for the 1989–90 season. He played for the "Tiburones Rojos" until 1994 when he returned to Argentina and his first club;
Colón de Santa Fe. After retiring as a player Comas has become a striking coach with several Mexican clubs including
Celaya,
León,
Cruz Azul and Veracruz. ==International career==