The former France forward is currently director of soccer at the New York Cosmos, and while the 46-year-old says he wants Sir Alex to be the United boss forever, he has admitted that he would like to take over at Old Trafford.
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Speaking to the Daily Mirror, Cantona said: "Alex Ferguson is young, has so much energy, so much love of the game, so many things to give, more and more and more.
"And I love to watch them winning things and I want Ferguson to be manager for ever. He's a winner, that's why he has won so many things.
"It's what is incredible with him, next game is like the first game of his career, and he gives you that – his passion, his love of the game, love of winning things."
Although he wants Ferguson to stay in the job for as long as possible, he admits if he was ever offered the chance to succeed him he would accept it in the drop of a hat.
He continued: "I would say, 'United is special, of course I would do it'. Today I'm with the New York Cosmos.
"But if one day there is an opportunity, why not? Like diving from here to the sea, watching, speaking to the fish, octopus, crabs, journalists."