Mehdi Benatia has completed his move to Bayern Munich by signing a five-year contract after a successful medical.
Brighton have signed striker Sam Baldock from Bristol City on a four-year deal for an undisclosed fee.
Lille midfielder Idrissa Gueye has agreed a three-year contract extension.
The 23-year-old Senegal international is now tied to the Ligue 1 club until the summer of 2018.
Gueye was a member of the Lille squad that won a league and cup double in 2011 and has made 80 league appearances since his debut in 2010.