In his youth, Contratto played for Barcanova, before starting his professional career in Mantova, Alessandria, and Pisa.[5]
In 1980, he was bought by Fiorentina, where he debuted in Serie A on 14 September.[2] After 285 appearances in 8 years,[2] he moved to Atalanta, where he debuted in a European competition, playing the 1989–90 and the 1990–91 UEFA Cup.[5]
This biographical article related to association football in Italy, about a defender born in the 1950s, is a stub. You can help Wikipedia by expanding it.