Juventus had been left sweating on the fitness of star man Cristiano Ronaldo, though medical tests carried out on an ankle knock revealed no significant injury.
Concerns had grown since then, with Ronaldo unable to participate in full training with the rest of the Juve squad on Wednesday, but was thoroughly examined by the Serie A champions' medical team later in the day.
Fellow forward Douglas Costa also trained separately on Wednesday, with a club statement reading: "Both Douglas Costa and Cristiano Ronaldo trained separately from the group.
"For CR7, check-ups have been scheduled for today and tomorrow following a knock to his left ankle during the game against Bologna."
Time on the sidelines would have been a massive blow for Massimiliano Allegri's side as they enter a crucial period in their season.
Though the Scudetto looks almost assured with Juve having opened up a 13-point lead at the top of the Serie A table, Sunday's match with second-placed Napoli will provide a tough test.
With Allegri chasing an unbeaten domestic campaign, the news that Ronaldo will not be forced to sit out the clash will come as a huge boost to the coach.
Diego Simeone's side
Ronaldo has enjoyed a fine debut campaign in Italy, scoring 21 goals in 34 appearances across all competitions, with 19 of those strikes coming in Serie A.
His form in the Champions League has been less stellar, with the competition's highest-ever goalscorer having only found the net on one occasion in