Us: Gerrard , Lucas , Meireles , Henderson, Adam(possibly), Shelvey and Spearing
United: Anderson, Carrick, Fletcher, Gibson, Cleverly, Giggs, Jones (Has and can play in midfield) New signing Modric? Nasri? Whoever.
Chelsea: Lampard, Essien, Ramires, Benayoun, Mikel, Josh McEachran, New signing?
City: Michael Johnson, James Milner, Barry, De Jong, Yaya Toure, Vieira, Silva, Weiss, (some will be sold but guarenteed they will be replaced probably by someone better)
It's about options people and the ability to rotate and change how the team plays week in week out depending on the opposition we are playing.