Definitely need, irrespective of whom we sell:
1 x Top Striker
1 x CM (no.8)
1 x GK
1x CB
If we manage to sell Martial, then we need another backup ST.
If we sell 2 among McT or Fred or Vdb, we need another CM/DM.
The CB is dependant on Maguire moving out, which seems very likely.
That makes...