Juventus coach Massimiliano Allegri says three points against Borussia Monchengladbach on Wednesday would be a huge step forward for his side.
The Bianconeri are unbeaten in the Champions League after wins against Manchester City and Sevilla.
And they will be strong favourites to make it through the group stage of the competition if they beat Lucien Favre's men tonight.
"It will be a decisive game if we win it, seeing as Manchester City and Sevilla still need to go head-to-head," Allegri said.
"Borussia have bounced back under their new boss and mustn't be underestimated.
"We need to play as if it were a one-off game because winning would take us a big step towards the knockout stages.
"I can tell you that Buffon, Barzagli, Bonucci and Chiellini will all start the game. Mandzukic is in better shape, although he hasn't got 90 minutes in him just yet.
"Morata's coming on well, Zaza's in great nick and Dybala has extraordinary qualities, but will be allowed to develop gradually, in the same way as Morata was last year."