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Wayne Rooney was teacher's pet last season. Having come up through the ranks at Everton when Moyes was the manager, it was clear that the reunion between the two was something very special for the former Manchester United manager.
Rooney had been close to leaving United last summer following a fallout with Ferguson, but Moyes managed to resolve the situation and convince the player to sign a contract extension.
Moyes picked Rooney as his captain on several occasions. In March, Moyes hinted to reporters that Rooney would get the armband permanently when Vidic left at the end of the season:
Wayne has led by example all season. Maybe wearing the armband, taking a wee bit of pride in wearing that, to show exactly what it means. He wants to take responsibility and I think you always want players who take responsibility. ...
You get opportunities in football, even if you're a player out of the team suddenly you can get a chance. Or if you become a key player and then get the chance to wear the armband and take that on. He did that.
Whilst Rooney has been a key player for United and enjoyed a great career whilst wearing their red shirt, he's certainly not the be-all and end-all. He has tried to force moves away from the club on two separate occasions, has injury problems and hasn't fulfilled his potential the way people thought he would have done 10 years ago.
Van Gaal's favourite will be Van Persie, who he chose as his captain for the national team, and it will be interesting to see how Rooney responds that. Van Gaal might have a battle on his hands here, but it's important that he doesn't pander to Rooney in the same way that Moyes did.