Manchester United may not have made many changes, but I wouldn't underestimate them. Last season wasn't a good reference. When Amorim took over, the team was already languishing in the Premier League, so they shifted their focus to the Europa League, but unfortunately, they failed there as well.
So, next season, Amorim will certainly build the team according to his wishes, and that's worth looking forward to, because I think anything is still possible.
Amongst all the big teams in the Premier League they are the only team with he least number of signings so far but looking at the areas at which they strengthened which are crucial areas in the squad and they may still sign more players just before the transfer window will close in September. Amorim might do well for himself this season.