Manchester United will play Belgium’s Club Brugge and Celtic have been drawn against Swedish side Malmo in the Champions League play-off round.
The teams are two-legged ties away from a place in the group stage.
Brugge finished top of the Belgian league last season but were second in the title play-offs, while Malmo are sixth in the Swedish league.
The first legs of the play-off ties will take place on 18-19 August, with the second matches on 25-26 August.
Southampton will soon discover their Europa League play-off round opponents after overcoming Vitesse Arnhem.
The Europa League draw is at 12:00 BST.