"When he made it at Everton, his boyhood club, the world was surprised with that kid," Mourinho said on Rooney.
“And then he went to Manchester United and he had the incredible career he had.
"Then in the Premier League again at Everton Football Club, so I think his career in England was perfect.
"You had [Steven] Gerrard, you had [Frank] Lampard, you had [Patrick] Vieira, you had so many of them.
“David Beckham played there, too. You now have Zlatan [Ibrahimovic], you now have Wayne.
"I just hope he enjoys it and, of course, he'll bring the attention that the MLS needs to attract more people.
“To steal some people from the other sports that normally the American people are in love with."