Pescara won a six-goal thriller with Pordenone, Frosinone completed a late comeback to beat Ascoli and Pisa stunned Juve Stabia.
After two rounds, only Salernitana, Perugia and Virtus Entella have a 100 per cent record.
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Frosinone 2-1 Ascoli
Troiano 27 (A), Dionisi pen 81 (F), Paganini 91 (F)
Sent off: Brighenti 94 (F)
Juve Stabia 0-2 Pisa