Ole Gunnar Solskjaer has backed Anthony Martial to turn around his form after the striker failed to make an impact in Sunday's 1-1 draw at West Brom.
Martial started but was withdrawn after 66 minutes, with Mason Greenwood replacing the France international.
United were unable to defeat the relegation-threatened Baggies as they slipped to seven points behind table-topping Manchester City, who have a game in hand over Solskjaer's side.
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What Solskjaer said about Martial
Asked in his post-game press conference if he was concerned about the forward's form, Solskjaer replied: "Oh no, I know Anthony is working hard to get back to where he was.