Crystal Palace have made a bid of around £16 million for Arsenal defender Calum Chambers as Arsene Wenger prepares for a significant exodus of squad players this summer.

Goalkeeper Wojciech Szczesny is currently also finalising a £10 million move to Juventus, West Bromwich Albion hope to complete a deal for Kieran Gibbs and striker Lucas Perez is the subject of interest from clubs in Spain and Turkey.

With Olivier Giroud also potentially leaving, Arsenal could easily recoup more than £50 million just by selling off relatively peripheral players even before deciding on Alexis Sanchez or Mesut Ozil and it is understood that they are open to offers for Chambers, whom they only signed three years ago from Southampton for £16 million.

Chambers had a positive experience last season on loan at Middlesbrough but, after a very promising start with Arsenal, seemed to lose confidence and has struggled to find a definite role in the team. He has played full-back, central midfield and centre-back and, while technically accomplished, there have been questions about his pace or physical presence in those positions.

He was part of the England team that reached the semi-finals of the European Under-21 Championship earlier this summer and started ahead of Arsenal team-mate Rob Holding in that tournament. He also has three senior England caps and, at 22, is clearly still developing.