Italian centre-back Gabriele Angella has signed a new five-year contract at Watford.
Michu's Swansea City future remains in doubt as the Spain forward has not returned for pre-season training.
New West Ham United manager Slaven Bilic will not be in charge of the team for Thursday's Europa League qualifier.
Stoke City agree a fee of about £12m with Inter Milan to sign Switzerland midfielder Xherdan Shaqiri.
Danny Blind has been named as Netherlands head coach following the departure of Guus Hiddink.
Lewis Holtby complete a permanent move from Tottenham Hotspur to Bundesliga side Hamburg following a loan spell.
Southampton terminate the contract of £15m record signing Dani Osvaldo, who played only 14 Premier League games.
Petr Cech says Arsenal can challenge for the Premier League title next season after they "showed potential" with back-to-back FA Cup final wins.