Manchester United have endured a difficult season under new manager David Moyes (DM), and the visitors intend to continue the misery at Old Trafford. City come into the match as firm favourites and are currently six points behind Chelsea, so winning could possibly mean more for the Blue half than the Red... if that is even possible. What I'm saying is that United might not have a saying in winning the English Premier League (EPL) but they sure to have a saying in where the EPL trophy could end up, and it starts tonight. United will need no motivation but the reverse fixture in September where they lost 4-1 will be in the front of their minds, no doubt. Injuries For United Robin van Persie (out with an knee injury), Antonio Valencia (doubt with eye injury) Nemanja Vidic is suspended. DM chose not to reveal whether any of his injured centre-halves Chris Smalling (hamstring), Jonny Evans (calf) and Rio Ferdinand (back) will be available, at his press confere