But the way they play?
Mourinho has continued to attract criticism despite United finishing second in the Premier League last season, 19 points behind Guardiola's record-breaking City side.
"He should be there, but he is doing magic with that other club".
"Footballers in today's game are commodities and a group of them together speak louder than any one manager. No fun, no creativity".
He is the spiritual child of Johan Cruyff; he played under Cruyff at Barcelona and learned everything from him.
And Cantona believes the man who guided City to their runaway 2017-18 title would have been a much better appointment for United than Mourinho, whose style of play he is also critical of.
"Well, except for me", he added.
He told TVE: 'Certainly I'll be coaching again soon because it's what I like downing and what I've done all my life'. If they called me, I would go; I would enjoy it.
"It wouldn't have happened 20 years ago, because players were there just to play football and we knew where we stood".
However, he only appeared three times in the league for United and seemed to fall foul of Sir Alex Ferguson's methods of dealing with players with what he deemed to be attitude problems.
United are back in action after the global break on September 15 as they travel to early pacesetters Watford.