Great goals from Luca Cigarini and German Denis doomed Lazio in a 2-1 defeat away to Atalanta.
Mauricio Pinilla snatched a late 2-1 win on Cagliari’s return to the Sant’Elia, as 10-man Catania capitulated despite saving a penalty.
Fiorentina completed an incredible comeback from 2-0 down to win 4-2 in 15 minutes with Giuseppe Rossi’s hat-trick.
Alberto Gilardino’s brace – including perhaps the strangest goal of his career – gave Genoa a crucial 2-1 victory over Chievo.
Sampdoria earned their unexpected first victory of the season with two penalties, including one deep into stoppages, in Livorno.
Valter Birsa’s scorching strike and debutant goalkeeper Gabriel gave Milan a much-needed 1-0 victory over Udinese.
Miralem Pjanic’s brace gave Roma their eighth straight win, as 10-man Napoli capitulated in the Scudetto showdown despite great chances.
Sassuolo beat local rivals Bologna for their first ever Serie A victory, sending the Rossoblu to the foot of the table.
Inter went down to 10 men after six minutes and saved a penalty, then went 3-2 up, but Torino snatched a last-gasp 3-3 draw.
A last-gasp Jorginho penalty kept Verona’s incredible start to the season going, beating Parma in a five-goal thriller.