Update:
1 goal in the last 39 serie A rounds
Although, to be fair, he started "only" 18 of these 39 rounds. On 7 he came in as a sub and on 14 he didn't play at all.
In these same 39 rounds Juve scored 58 goals:
Del Piero 12
Quagliarella 6
Iaquinta 6
Marchisio 4

Trezeguet 3
Krasic 3
Diego 3
Chiellini 3

Felipe Melo 3

Owngoals 2

Camoranesi 2
Candreva 2
Grosso 2

Salihamidzic 2

Pepe 1
Aquilani 1
Giovinco 1 (in like 60 minutes)

Legrottaglie 1

Amauri 1