Make sure people shouldn't ask to sack Amorim when he didn't bring good results during his first season. It requires process and consistency, like Pochettino need a year to transform Chelsea.
Don't expect to much for Manchester United in this season, as long as they're not relegated, they're fine.
The management in the Premier League is different and they demand that the coach must be able to change the club to be better in a short time and maybe if you pay attention to the previous club owner, they won't give the coach time to change the team in the long term. The presence of Amorim this season has made Chelsea much better and I saw how they played much better when they visited Manchester United's headquarters.
Manchester United will experience a new phase after their coach was sacked and the previous two matches were slightly better than when Ten Hak was the coach. Now we can wait for their new coach and how far he is able to change the team to be better in the future.