In 1989, he transferred to Juventus, where he played two seasons, making 63 appearances and scoring 5 goals, winning a Coppa Italia and UEFA Cup double under manager Dino Zoff in 1990.
He was also notorious for his aggression on the pitch, however, which led him to pick up many cards, as well as his lack of pace and technical ability; in later years, he also struggled to adapt into the new zonal marking system which was implemented by manager Luigi Maifredi upon his arrival at Juventus in 1990.
Both brothers then jointly managed Scottish team Dundee from 2000 to 2002, with Dario officially acting as Ivano's technical assistant.
[5] He then announced a surprising move to Hungarian side MFC Sopron in February 2006,[6] thus joining fellow Italian Giuseppe Signori.
Bonetti was then sacked in May 2006, after the final matchday, a 1–0 home loss to Rákospalotai EAC,[7] but made a comeback at the Hungarian side in March 2007.
[11] On 9 November 2009, Bonetti was announced as the new head coach of Lega Pro Prima Divisione team Valle del Giovenco.