The 27-year-old began as a substitute for the contest at Old Trafford before replacing Kobbie Mainoo in the 65th minute when the game was goalless.
Much-criticised winger Antony opened the scoring for United 11 minutes from time, but the hosts were forced to settle for just a point against relegation-threatened Burnley, who rescued a draw courtesy of an 87th-minute penalty converted by Zeki Amdouni.
McTominay has previously made an impressive impact when coming off the substitutes' bench this season, but the Scotsman was unable to help the Red Devils net a late winner on this occasions and was taken off in stoppage time due to a knee injury.
United's No.39 looked to be in severe discomfort when receiving treatment and hobbling off the pitch, supported by the club's physio, raising concerns over his fitness for the final few weeks of the season.
McTominay allays injury fearsAfter the match, Man United manager Erik ten Hag stated that it was too early to determine the severity of McTominay's injury.
The midfielder has since been assessed and has taken to social media to provide the Old Trafford faithful with a positive update on his condition.
«I slipped and fell awkward[ly] on my knee, similar to against Chelsea,» McTominay wrote on his Instagram story.
«Nothing serious, just hyperextension, but I was angry and upset that I thought it was worse than it was.
»Hoping to be back on the pitch very soon to help the team as much as I can."
McTominay update a boost for both Man Utd and ScotlandThe update from McTominay comes as a boost for Man
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