It is the end of a cycle in Monaco with most of 2017's Ligue 1 winning golden generation leaving, but the club is already preparing the next one.
Goalkeeper Salvatore Sirigu has joined Torino after ending his contract with Paris Saint-Germain by mutual agreement.
Memphis Depay proposes to his now fiancé, Guardiola is impressed by a youngster and much more in The Sweeper.
Diaz, fourth choice at the Bernabeu last season, is expected to move on in the summer.
Bertrand Traore becomes the latest player to leave Chelsea after confirming his move to French side Lyon.
Bastia were relegated from Ligue 1 on the last day of the season after defeat to Marseille.