Allegri said: “There are some things a Coach needs to let slide, others that he has to focus on. The most important thing is to keep a cool head and make the right choices at the right time. If you let your emotions take over, it leads to mistakes.
“Bonucci came back well, put in a good performance and the case is closed. There are moments during a season when you discuss and debate things, it's just unfortunately the whole world saw us and it might've been different if it had happened in the locker room.
“We have a group of great professionals and above all great men. Between us, we managed to give the side a shake-up it needed to stay focused against Porto.
“I have five strong centre-backs and can rest them when needed."