Leader Juventus is at SPAL has not progressed further than a goalless draw.
Paulo Dybala sends a pass.
The defending champion from Turin came for the first time since the 0-0-draw against Internazionale on 9 december not to score and missed for the first time in 2018 points.
Juventus is on top in the serie A with 75 points. Napoli follows with five points but play on Sunday against Genoa.