United's busy run of fixtures continued with a 0-0 draw at Southampton on Wednesday, a clash which marked their fifth game this month.
Saints chairman Ralph Krueger has refused to offer assurances surrounding the Frenchman's future despite him leading them to the brink of an eighth-placed finish and this partly demonstrated why.
United host Crystal Palace in their final league game of the season on Sunday before travelling to Stockholm to face Ajax in the Europa League final on May 24.
Manchester United boss Jose Mourinho attacked the Premier League on Wednesday, accusing them messing of with his team's chances of winning the Europa League.
Hit play on the video at the top of the page to watch highlights from the match.
Incidents of suspected diving will be reviewed by a panel comprised of an ex-manager, ex-player and an ex-referee, and where the panel are unanimous in believing a player deceived a match official, the sanction will be a two-match ban. I never saw. So I think it's just a lost battle.
"Fellaini, on top of his experience, he says it's not a tear", Mourinho told the club's website.
"I am here seven years and I never saw any detail of trying to care about English teams in Europe".
"I never saw that with Chelsea, I never saw that with Manchester United, I never saw that with Manchester City a year ago". Another meek display on Sunday in the final league fixture could pile further pressure on out of form players for the final. I hope you don't kill me when you see my team.
"I hope to play Joel against Crystal Palace, I hope to play Sergio in the final".
"I don't go with [Romero can replace De Gea] "if he leaves" because I hope he doesn't", Mourinho said.
Mourinho also said centre-back Eric Bailly, who is suspended for the final, would feature, as well as Paul Pogba, who has been granted compassionate leave following the death of his father last Friday.
"They are 25 points behind Chelsea, they are no better than last season, they look pedestrian at times, and there is no excitement".