He is best remembered for being the coach of Napoli from 1985 to 1989, a team consisting of great players such as Diego Maradona and Careca, which won its first of two Serie A titles in the 1986-87 season. He also led the team to the Coppa Italia title in 1987, and the UEFA Cup title in 1989.
He played for Brescia youth system, and then made his debut with his boyhood team in the Serie A in 1965. In 1966, Bianchi was transferred to Napoli, the club with whom he played for five consecutive championships. In addition to these, Bianchi had stints with Atalanta, Milan and Cagliari and finished his playing career with SPAL.
Bianchi has also made two appearances for the National football team, where he made his debut on 1 November 1966, in a friendly match against the USSR in Milan where the hosts won 1-0.
Following the good results during his stint with Atalanta, Avellino approached Bianchi to guide them for the 1983-84 season where they finish the season with an 11th place in the Serie A, and then the following season Bianchi moved to newly promoted Como where he managed to reach a mid-table position. The following season, Bianchi joined Maradona's Napoli, who won his first Scudetto in 1986/87. With Bianchi on the bench the Napoli won the Coppa Italia in 1987, and the UEFA Cup in 1989.
After four successful season with Napoli, Bianchi moved to Roma, where he won again the Coppa Italia in 1991, and managed to reach the UEFA Cup final, where the club finish as runners up to Inter.
Seven years later, Bianchi was called to save relegation troubled Fiorentina in 2002 without success both as a coach and as chairman of club, succeeding outgoing Ugo Poggi until the end of the season.