The team has lost three of their first six Premier League games, including a 3-1 defeat to Brentford on September 27.
Additionally, United was eliminated from the Carabao Cup by Grimsby Town, a team from the lower division.
According to reports, Amorim is surprised by the intense scrutiny he's receiving from fans and the media.
The club is concerned that Amorim may leave before they make a decision about his future, potentially catching them off guard.
Amorim has previously expressed frustration with the team's performance and has even hinted that he may quit, suggesting that the club might not need to pay him any compensation.