I think United made a mistake going for Amorim. Not because he is a bad manager, but his 343 is too far from what we have in the squad of players to fill the roles.
They should have got a standard 4231 manager. The players would have slotted in. We could improve the team in January and Summer and kept some sort of continuity of philosphy and tactics.
As of now, we need to solve wing backs, striker, CB and attacking mid. If we had stuck with 4231 wed only need wingers and striker.
If Amorim gets sacked, wed have probably sold aload of wingers and brought specialist wing backs, only to be left with a new manager that wants wingers and full backs again.
Seems daft to me to bring in such a big change of tactics right now when we rebuilding.