Carlos Tevez fired Juventus ahead with a 27th minute penalty, 38-year-old Francesco Totti replied five minutes later with another spot kick, Juan Iturbe put Roma ahead one minute before halftime before Tevez levelled again with a third penalty.
Bonucci crashed home a 20-metre volley in the 86th minute, then Juventus substitute Alvaro Morata and Roma's Konstantinos Manolas were sent off after clashing. Roma's coach Rudi Garcia was also dismissed in the first half.
Leaders Juventus, with 18 points from six games, maintained their 100 percent league record after six games this season and second-placed Roma dropped points for the first time.

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