Chelsea midfielder, Gilmour is out for the rest of the season.
The English youngster was recently ruled out for the remainder of the campaign.
Recall that the teenager came off with 10 minutes to go after starting his team’s 3-2 away win at Crystal Palace on Tuesday evening.
N’Golo Kante and Mateo Kovacic are also expected to miss this weekend’s game vs Sheffield United after suffering minor hamstring and Achilles problems respectively.
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