PARIS -- Paris Saint-Germain conspired to throw away a 2-0 away lead from the first leg with a 3-1 defeat at home to a depleted Manchester United side to exit the Champions League at the last-16 stage for the third consecutive season.
Buffon, 41, left in the summer after 17 years with the Bianconeri and joined Paris Saint-Germain, while Ronaldo arrived from Real Madrid.
Speaking ahead of Juve's visit to Atletico Madrid in the Champions League round-of-16 first leg, Chiellini has said swapping the goalkeeper for the forward has worked as a like-for-like transfer terms of the two players' influence off the pitch.
Gianluigi Buffon has told RMC he would have retired if he had not received a summer call from Paris Saint-Germain, Barcelona or Real Madrid.
PSG brought in 40-year-old former Juventus keeper Buffon on a free transfer and he is playing regularly in Thomas Tuchel's team.
"The important thing is no longer passion, it is the challenge -- I like that a lot," Buffon said. "I had decided to retire, and only a call from PSG, Real Madrid or Barcelona could have changed my mind.
Paris Saint-Germain coach Thomas Tuchel has said that Gianluigi Buffon will be back in goal for the away game at Rennes in Ligue 1 on Sunday and at home to Reims next week.
Alphonse Areola started PSG's Champions League defeat away at Liverpool on Tuesday due to Buffon being suspended but was prevented from training on the eve of the Rennes clash due to an "important" family issue.
"Alphonse will not be training," Tuchel told his prematch press conference on Saturday. "He needs to be with his family...