Alassane Plea has completed a move to Bundesliga outfit Borussia Monchengladbach for an undisclosed fee.
Mark Hughes has seen off strong competition to make Jannik Vestergaard his fourth off-season signing at Southampton.
Arturo Vidal was welcomed back to Bayern Munich training on Thursday.
Lucien Favre has sealed the temporary signing of Achraf Hakimi as part of his reshaping of Borussia Dortmund's squad.
After a difficult solitary season at Borussia Dortmund, Andriy Yarmolenko will continue his career with West Ham.
Manchester City, Barcelona and Real Madrid may have been linked with Thiago Alcantara, but Bayern Munich want him to stay.
Julian Nagelsmann will take over at RB Leipzig in 2019, but Ralf Rangnick is still planning to develop the squad in his year in charge.
FC Dallas' teenage defender Chris Richards has signed for Bayern Munich
Julian Nagelsmann is set to take over at RB Leipzig in 2019, but until then Ralf Rangnick has opted to take the reins as coach.
AC Milan have signed former Dinamo Zagreb, Barcelona and Hamburg midfielder Alen Halilovic on a three-year deal.