Manchester United players at a training session ahead of the group stage match against PFC CSKA (Moscow of the UEFA Champions League.

26.09.2017#3200535

Manchester United players during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow. Center: head coach Jose Mourinho.

26.09.2017#3200355

Henrikh Mkhitaryan, Anthony Martial, head coach Jose Mourinho, Ashley Young, Romelu Lukaku and Ander Herrera, left to right, during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200353

Manchester United during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow. Center: Ashley Young.

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Head coach Jose Mourinho during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200347

Ashley Young, Chris Smalling, Victor Lindelof and Daley Blind, left to right, during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Ashley Young, Chris Smalling, Daley Blind, Victor Lindelof and Nemanja Matic, left to right, during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200332

Manchester United during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Daley Blind, left, and head coach Jose Mourinho during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Front: goalie Joel Castro Pereira during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United during a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United players at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200301

Manchester United players Marcus Rashford, left, and Ashley Young at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200300

The official UEFA Champions League footballs at a Manchester United training session ahead of the group stage match against CSKA Moscow.

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Manchester United head coach Jose Mourinho at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United player Eric Bailly at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United players at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United players at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200293

Manchester United goalie Sergio Romero at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United goalie Sergio Romero at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United goalie Sergio Romero at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United player Matteo Darmian, center, at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United players Anthony Martial, left, and Juan Mata at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United player Romelu Lukaku at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200287

Manchester United player Juan Mata at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United player Marcus Rashford at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United player Marcus Rashford at a training session ahead of the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United player Henrikh Mkhitaryan at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United player Henrikh Mkhitaryan at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United player Henrikh Mkhitaryan at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200219

Manchester United player Henrikh Mkhitaryan at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200218

Manchester United player Henrikh Mkhitaryan at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200217

Manchester United player Henrikh Mkhitaryan at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200216

Manchester United player Henrikh Mkhitaryan at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200215

Manchester United player Henrikh Mkhitaryan at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200214

Manchester United head coach Jose Mourinho at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200206

Manchester United head coach Jose Mourinho at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200203

Manchester United head coach Jose Mourinho at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200202

Manchester United head coach Jose Mourinho at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200200

Manchester United head coach Jose Mourinho at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200199

Manchester United head coach Jose Mourinho at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

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Manchester United head coach Jose Mourinho at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200197

Manchester United head coach Jose Mourinho at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200196

Manchester United head coach Jose Mourinho at a news conference before the UEFA Champions League group stage match against CSKA Moscow.

26.09.2017#3200195