For the purchase of Chambers Crystal Palace is ready to shell out 16 million pounds, reports The Daily Mail.
Calum spent a good last season, speaking on loan for Middlesbrough. He played in 24 Premier League games, noting with one goal.
Also, Chambers was an important player for England U-21, which reached the semi-finals of the Euro Youth in Poland this summer. Due to performances at the Euro, Kalum did not go with Arsenal on a tour of Australia and China.
If the Gunners agree to the offer of Palas, they will be able to return their ? 16million that they paid for Kaluma Southampton 3 seasons ago.
Earlier, Crystal Palace intensified midfielder Chelsea Ruben Loftus-Chick, who will spend the next season at Selhurst Park on loan.