Summary:
Chelsea have completed the signing of winger Patrick van Aanholt from Premier League side Vitesse Arnhem for an undisclosed fee.

Full article:
By . Simon Jones . Sunderland have signed Dutch international Patrick Van Aanholt on a four-year deal from Chelsea. The 23-year-old spent the last two-and-a-half seasons at Vitesse Arnhem, who have strong links with the Premier League side. All smiles: Patrick van Aanholt poses in his new shirt after sealing the move to the Stadium of Light . Dutch of class: Van Aanholt seen playing for Vitesse (left) and the Holland national team (right) this year . Van Aanholt, who has played eight times for Chelsea, has also had loan spells at Wigan, Leicester, Newcastle and Coventry. Manager Gus Poyet is waiting on Fabio . Borini as talks continue with Liverpool and the player. Poyet remains . keen on Atletico Madrid winger Cristian Rodriguez. Depleted:Gus Poyet know he faces a race against time to get players in before the start of the season .