During his time with Milan he won two Serie B titles in 1981 and 1983, as well as the Mitropa Cup in 1982. After joining Napoli from Triestina in October 1986, he won a Serie A-Coppa Italia double during his first season, the club's first ever league title, starring in a team which featured Diego Maradona; Romano later also added the 1988–89 UEFA Cup to his trophy cabinet during his time with the club. With Torino, he won another Serie B title in 1990, as well as his second Mitropa Cup in 1991.