West Ham United will be without new signing Andre Ayew when they travel to Romania to face Astra Giurgiu in the Europa League.
Slaven Bilic hopes signing Andre Ayew can make a quick return to action for West Ham after suffering a thigh problem against Chelsea on his debut.
United begin their campaigns in both the Capital One Cup and the Europa League in September, giving Mourinho the chance to use more of his squad.
All the best goals, plays and moments from the 2015-16 Europa League season.
Take a look back at Sevilla's path to their third-straight UEFA Europa League trophy.
Slaven Bilic admits that the atmosphere was better than he expected in West Ham's first game at the Olympic stadium.