"At one point, Sir Alex was playing anyone but him in his position, even guys that were not holding midfielders or offensive midfielders, even Paul Scholes came out of retirement," Henry said.
"So at one point you can't blame the kid, he was just like 'I don't have a future here', so he left and we saw what he did. But he's a special talent. He can do anything.
"It's pretty rare when a player has a choice to go wherever he wants. He might stay, you never know."