After a strong performance against Tottenham Hotspur on Wednesday, it seems unlikely that there will be many major changes to Erik ten Hag's starting XI. However, one player that could find his way back into the team is Christian Eriksen.
Eriksen missed United's game against Newcastle through illness and was a late substitute against Tottenham. He is still the team's best midfielder on the ball however and he offers a different option to the player who has been covering for him, Fred.
Fred is worse on the ball than Eriksen but he is much more mobile. Against Tottenham, he helped United consistently pressure the opposition and stopped them from building attacks, so Ten Hag could choose to stick with the Brazilian if he feels it would help against Chelsea.