Being tactically adept as a player doesn't mean anything when you're being a coach. Being head coach is a totally different job compared to a player. You need to controll the dressing room, motivate players on a weekly players, transition tactics on to the pitch, optimize communication skills, working on fitness etc.
And what we know is that Pirlo has to be one of the most intelligent, tactically adept footballers ever and, from reading his book, he is very cocky, self assured and not at all afraid to tell others what he thinks of them/ what needs to be said.
dude casually mentions preparing for and winning the World Cup as if it was nothing. Pretty sure he's got ice in the veins.
I also remember him mentioning that his least favorite part of football was pre match warmups. That he thought they were useless masturbation and never put any effort into them

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