Aparently he wouldn't cost more than £8m, What I would like to see is we bring in a worldclass DM and a worldclass playmaker for the midfield and him as our 3th midfield signing.
I'd keep 2 of our current midfielders: Fellaini, Cleverley, Carrick, Fletcher, the other 2 need to go (Anderson isn't even a consideration). I'd say Fellaini on that list deserves a chance the most, I think he can do much beter than what we have seen so far of him and I think a 4-3-3 system like Van Gaal plays will suit him beter than the system Moyes and Giggs played in. Also injurry free, I think he can be of value to us (if not we can still ship him out next summer). Fletcher is clearly past it, so I would let him go, Cleverley and Carrick have both been disappointing, but perhaps Cleverley offers more long term value and perhaps he could still come good and he is definitley more forward thinking than Carrick so I'd keep Cleverley and sell Carrick (for whatever amount we can still get).
Than I would bring in:
Song £8m
one of: Carvalho, Martinez or Khedira
one of: Kroos, Pjanic, Rakitic or Herrera (Fabregas we won't get)
Could give us a midfield of Song, Carvalho, Kroos, Fellaini, Cleverley for next season and I think that would be a real options for a 4-3-3 system.