The France international centre-back looked very upset when he left the pitch an hour into the game at Stamford Bridge, after overstretching in an attempt to challenge the Blues' striker Pierre-Emerick Aubameyang.
Varane, who won the World Cup in 2018, was clearly concerned about the possibility of missing out on FIFA's upcoming tournament in Qatar, with the opening set of fixtures for all 32 sides now less than a month away.
Fortunately, the Dutchman confirmed that the 29-year-old's issue isn't as bad as first feared, although he is not available for Thursday's Europa League clash with Sheriff Tiraspol and will not feature for United again prior to the domestic break.