The key to Bonucci's Juventus exit has been the strained relationship he has with coach Massimiliano Allegri. During a 4-1 win over Palermo last season, the pair were involved in a heated row towards the end of the game in which Allegri told the defender: 'Shut up you d******d. Go f**k yourself!'As his teammates celebrated the win and saluted the home support, Bonucci quickly made his exit up the tunnel after issuing a brief reply to Allegri and as a result of the bust-up, he was left out of the squad for their Champions League clash against Porto.After that, both men effectively agreed to a truce for the good of the team until the end of the season, with both looking for Bonucci to move on during the summer.
http://www.marca.com/en/football/international-football/2017/07/15/596a0e3246163f474a8b45e1.html
Clearly the club picked Allegri over Bonucci. If they didn't want to move him on they would have sacked Allegri. Bonucci had no choice but to leave.
But aren't these arguments part and parcel of relationship between coach and player
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Vialli: 'Allegri is a number one'
By Football Italia staff
Former Juventus striker Gianluca Vialli praised Coach Massimiliano Allegri, believing 'he's a number one'.
After having warned the Bianconeri against allowing the atmosphere to grow inside Camp Nou on Wednesday evening. the former Chelsea man admitted the path to the final would be easier if they could overcome Barcelona.
"Their self-esteem would grow, after this step they would feel like a dragon," Vialli continued in an interview with Gazzetta dello Sport.
"I have to say that would be worse for Juve to meet PSG and do you know why? Today Barcelona are discontinuous and must think about the future.
"Juve are instead in a time of stability and effectiveness, and they seem to have fun when they play.
"I believe in football karma and I think after years of Italian domination, and several finals lost by virtue of superior force in Europe that I mentioned before, this team has earned the statement, the victory. As Mourinho's Inter earned it."
Is Mario Mandzukic is a bit like the Samuel Eto'o of 2010?
"Definitely, yes. Perhaps most striking was to see Eto'o in that role but those two put the needs of the team before their own. Without the collaborative spirit of Mario, things would be more complicated for [Massimiliano] Allegri.
"Allegri is fantastic, a number one. The more clever Coaches assess, analyse and find solutions; tactically they don’t put you under pressure and indeed to nullify the opponent.
"He tells players not what they want to hear but what they need to hear, and he’s different. I absolutely agree with him about the beautiful game.
"You know, what counts is to win. But then: it’s not spectacular to defend well? When I see a great defensive display I enjoy watching it. And it’s art, too. In our culture and history we know how to do it, and not everyone happens to know how to do it well."
There have been some high-profile disagreements between Juve players and the Coach this season, with one incident leading to Leonardo Bonucci being suspended by the club.
"If values ​​and principles – even those dictated by the club – are healthy and strong, then the environment will strong and mature.
"I am always in favour of collision of knowledge, even during a row. The Coach has to share his ideas to bring players along, not to impose. Max is very good here."
http://www.football-italia.net/101270/vialli-allegri-number-one