Patrick van Aanholt leaves Sunderland for Crystal Palace
Crystal Palace manager Sam Allardyce worked with Van Aanholt during his time at the Stadium of Light, and the Dutchman was key the club's Premier League survival.
The 26-year-old left-back arrives at Selhurst Park on a four-and-a-half year deal, keeping him at the south London club until the summer of 2021.
Crystal Palace tweeted: "#CPFC are delighted to announce the signing of @pvanaanholt on a four-and-a-half year deal for an undisclosed fee! #WelcomePatrick"