Roma went back to the top of the Serie A table as ex-Arsenal forward Gervinho scored twice in a 5-0 rout of Bologna.
Adem Ljajic also scored as Roma kept up the league's only perfect start.
Paul Pogba netted a disputed goal as
beat local rivals
1-0 to also remain unbeaten in the league.
The ex-Manchester United midfielder, 20, headed in from close range after Carlos Tevez had struck the crossbar, although the hosts were furious as they thought the Argentine was offside.
Torino have failed to win the last 15 derbies, a run stretching back to 1995.
another of the four teams yet to lose in the league this season, drew 1-1 with
Mauro Icardi gave Inter a 75th-minute lead, but Radja Nainggolan rescued a point eight minutes later.
German Denis scored twice against his former club as
threw away a two-goal lead to draw 2-2 at bottom side
2-0 for their first win of the season and
had gone top on Saturday
after beating Genoa 2-0
with a brace from Goran Pandev.