Sky Sports's Tony Cottee grades United's performance vs Manchester City
The Red Devils beat City 3-2 at the Etihad.
Cottee said: "First half was an E, second an A. But you can't give them a C, it's a fantastic result.
"Their performance in the first half was so bad, but it's an unbelievable result and will do a lot for them."
Cottee's grade: B.