game and Sir Alex must employ the formation that gets the best out of his personnel.
"The initial reason for signing Shinji Kagawa was his ability to play behind the strikers," Sir Alex explained.
"In the last couple of games he's played in the middle to the right of the diamond, which isn't a problem for him.
"He's still in a forward position, he still has the ability to create as he does from a central position.
"There's no big issue for me, particuarly if we're playing the diamond formation because the central midfielders can all get forward and play in the central role."