Bill Shankly
“So here is a quiz question: what have 18 men done at Juventus, 16 at Real Madrid and just three at Manchester United? The clue, if one is needed, lies in the last detail. The only managers to lead United to a domestic league title are Ernest Mangnall, Sir Matt Busby and Sir Alex Ferguson. They are hugely outnumbered by their counterparts at the most successful clubs in the history of Serie A and La Liga respectively.” ESPN