Jose Mourinho does not know if Anthony Martial will return to Manchester United as doubts grow over the disgruntled forward’s future at Old Trafford.

READ: Mourinho: I’ll only sign one of my transfer targets

Martial left the club’s pre-season tour of the United States to attend the birth of his second child in Paris, but the France international did not re-join his teammates in the USA.

The 22-year-old – who has been strongly linked with a move after his agent claimed he wanted to leave for more opportunities – was absent from United’s 2-1 International Champions Cup win over Real Madrid on Tuesday.

As United prepare to return to Europe ahead of their Premier League opener against Leicester City on 10 August, manager Mourinho refused to give any assurances that Martial will return.

Asked whether the forward would link up with United, Mourinho said: ‘Anthony Martial? It is better for [press officer] Karen [Shotbolt] to answer.’

United press officer Shotbolt responded: ‘We’re here to talk about the game.’

Pressed further on Martial, Mourinho replied: ‘I don’t know.’

ALSO READ: Mourinho laments United’s transfer business

Mourinho was speaking after United held on to beat Champions League holders Madrid in Miami.

Alexis Sanchez scored his second goal in two matches to open the scoring before teeing up Ander Herrera in a sublime team move prior to the interval.

Madrid star Karim Benzema found the back of the net in first-half stoppage time and Madrid completely dominated in the second period; however, the Red Devils managed to end their US tour on a winning note.

‘In the majority of the players, we have a fantastic spirit, we go with everything we have to the Premier League,’ Mourinho said.

‘In relation to the match [against Real Madrid], the match doesn’t change anything,’ Mourinho added. ‘My professional players were amazing all pre-season because they know we play against good teams, against good opponents.

‘So the game today, win 2-1, lose 2-1, draw 2-2, doesn’t change anything but of course I know the players I can count on. These guys are amazing professionals, they give everything for the club, for the prestige of the club. It is not nice to come here and lose 5 or 6-1 vs Real Madrid today and they were phenomenal.’