Ruben Amorim insisted that Marcus Rashford "has to change" before making his return to the Manchester United fold as his exile from the team continued. 

Amorim's comments came ahead of the Red Devils' Europa League fixture with Romanian side FCSB on Thursday, with Rashford once again left out of the squad. 

The England international last featured for United in their 3-2 league defeat to Nottingham Forest back in December, and has since expressed his desire for "a new challenge". 

Rashford trained with his team-mates on Wednesday but was still omitted from the 21-man Europa League squad amid speculation of a move away from Old Trafford. 

Amorim reiterated that the 27-year-old still has a future with the Red Devils whilst he is in charge, suggesting his team will be much better with Rashford involved. 

"Imagine a talent like Rashford, our team should be so much better with him - but he has to change," Amorim said on Wednesday. 

"If he changes, we are more than welcome [to include him] - and we need it. But at this moment we have to set some standards.

"We are waiting for Rashford, if he wants it really badly. You [the media] want to make it personal. I have nothing against Marcus, but I have to make the same rules for everybody.

"We need goals, we need [players who can go] one against one, we need threats in the final third."

Rashford has made 426 appearances in all competitions for United since his debut in 2016, netting 138 goals and laying on a further 63 assists in that time. 

He enjoyed his best scoring season back in 2022-23, scoring 30 goals across all competitions in 56 outings under Erik ten Hag, a term that saw him lift the EFL Cup for United. 

But despite his evident quality, Amorim has made it clear that his attitude must improve if he is to feature for the Red Devils again this campaign. 

Following United's 1-0 win over Fulham last Sunday, Amorim suggested that he would rather select his 63-year-old goalkeeping coach instead of Rashford due to his lack of effort.

"The situation is the same for every player. I will not put [in] any player that doesn't give the maximum," added Amorim.

"When I feel it is the right moment, I will put in any player to play. We are a better team with Rashford, that is clear, but until the right moment I will not change my mind."