Manchester United have been given a fresh fitness concern ahead of Tuesday's crucial Champions League clash against CSKA Moscow.
The Telegraph claims Morgan Schneiderlin was unable to train following his weekend exploits against Crystal Palace and is a doubt for the game at Old Trafford.
Joining the French midfielder on the sidelines was Antonio Valencia, James Wilson and Paddy McNair while Phil Jones and Memphis Depay trained on their own away from the first-team.
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That left just 15 players fit enough to take part in what was their final session before their fourth Champions League group game.
After three games, the Red Devils have acquired four points and sit precariously in second place. Moscow are behind them on equal point but remain behind because of United's superior head-to-head record.
But Manchester United are not just under pressure to qualify for the latter stages. Van Gaal's men have failed to score in over five hours of football and the supposedly negative tactics have started to get fans riled up.
Travelling supporters at Selhurst Park were filmed singing "attack" as their team succumbed to another bore draw against the Eagles. It leaves them with just 15 goals in their opening 11 Premier League games; less than the team managed under David Moyes two seasons ago.
If Schneiderlin does indeed miss the game against CSKA Moscow, it should not affect Manchester United's attacking prowess, but it will leave them more vulnerable to the opponent. While United have been criticised for not scoring, it has to be said that their defending has been impressive.
According to WhoScored, Schneiderlin is their best defensive performer this season (minimum ten appearances). He has averaged an impressive 3.5 tackles in this season's Champions League and 3.1 in the Premier League.