Arsenal manager Mikel Arteta, right, practices with players during a training session at at the Sobha Realty Training Centre, London one day ahead of their Champions League soccer match against against PSV.

Arsenal goalkeeper David Raya practices during a training session at at the Sobha Realty Training Centre, London one day ahead of their Champions League soccer match against against PSV.

Arsenal's Riccardo Calafiori, centre right, practices with teammates during a training session at at the Sobha Realty Training Centre, London one day ahead of their Champions League soccer match against against PSV.

Arsenal goalkeeper David Raya, left, practices during a training session at at the Sobha Realty Training Centre, London one day ahead of their Champions League soccer match against against PSV.

Arsenal manager Mikel Arteta looks on during a training session at at the Sobha Realty Training Centre, London one day ahead of their Champions League soccer match against against PSV.

Aston Villa's John McGinn drives the ball during a training session at Bodymoor Heath Training Ground, Birmingham, England one day ahead of their Champions League soccer match against Club Brugge.

Aston Villa's Tyrone Mings and teammates practice during a training session at Bodymoor Heath Training Ground, Birmingham, England one day ahead of their Champions League soccer match against Club Brugge.

Aston Villa's Ezri Konsa, centre left, and Aston Villa's John McGinn, centre right, fight for the ball during a training session at Bodymoor Heath Training Ground, Birmingham, England one day ahead of their Champions League soccer match against Club Brugge.

Aston Villa players practice during a training session at Bodymoor Heath Training Ground, Birmingham, England one day ahead of their Champions League soccer match against Club Brugge.

Aston Villa players practice during a training session at Bodymoor Heath Training Ground, Birmingham, England one day ahead of their Champions League soccer match against Club Brugge.