On the day when Liverpool announced that Luis Diaz will swap his No. 23 for the No. 7 taken by James Milner, Manchester City's Gundogan signed a two-year contract with Barcelona until June 2025. Meanwhile, Mendy will return to a UK courtroom for the start of his retrial for two alleged sexual offences. Elsewhere, Manchester United are willing to sell 10 first-team players to revamp their squad for next campaign.