An old-fashioned stopper, he was a sturdy and physically imposing defender, who was known for his tenacious man marking of opposing players.
[1] An Inter Milan youth product, Bet was later promoted to the senior squad, before manager Helenio Herrera brought him to Roma, where he made his breakthrough, winning a Coppa Italia, and also earning a call-up to play for the Italy national team.
After five seasons with Roma, and one with Verona, he joined AC Milan in the summer of 1974.
He was usually paired alongside a sweeper in the team's defence: first Maurizio Turone, and later a young Franco Baresi; he won a second Coppa Italia with Milan, and was a member of the team that won club's tenth league title in 1979.
This biographical article related to association football in Italy, about a defender born in the 1940s, is a stub.