The centre-half is a massive game-changer for the Rossoneri, while the disparity in fees underlines that English clubs have more money than sense
It was only three days ago that Slaven Bilic lamented, "The money in football is absurd but it is like that in other sports and also in show business.
"You have [Justin] Bieber who is earning more than the Rolling Stones, not to mention Led Zeppelin or Elvis Presley.
"Everything cracked. Nothing is normal anymore."
Friday offers us further evidence of football's seemingly irreversible descent into insanity, with Kyle Walker set to join Manchester City for €57 million, €15m more than the fee AC Milan have agreed with Juventus for Leonardo Bonucci.