Barcelona have announced they have agreed a deal with Arsenal for midfielder Alex Song, thought to be in the region of £15 million.
Song, 24, joined Arsenal from Bastia, initially on loan for 2005-06 before signing permanently a year later for just £1 million. Despite initial question marks over his potential, he has emerged as a key player for the Gunners.
The Cameroon international made 46 appearances in all competitions for Arsenal last season, but this summer speculation has arisen over his future, amid interest from Barcelona.
Following the exit of Robin van Persie to Manchester United, manager Arsene Wenger confirmed Song could also leave the club. On Saturday, after their 0-0 draw with Sunderland, Barcelona announced a deal had been struck.
Their official Twitter account read: "FC Barcelona has agreed a deal with Arsenal FC for the transfer of Alex Song to the Camp Nou.
"Song will sign for the next five seasons with a release clause of €80 million. On Monday he'll have a medical and then join the rest of the squad for the official team presentation at the Gamper."
A statement from Arsenal read: "Arsenal Football Club can confirm that terms have been agreed for the transfer of Alex Song to Barcelona. Song will now travel to the Catalan club to agree personal terms and undergo a medical ahead of the proposed move."
Wenger said in his post-match press conference: "He expressed a desire to go to Barcelona. It is frustrating, we have learnt to deal with that. I believe as well that the financial potential of some clubs is massive and that makes a difference.''
Wenger, however, feels Arsenal have enough cover in midfield.
"We have [Jack] Wilshere coming back, I believe in one and a half months. We have [Abou] Diaby back, we have [Tomas] Rosicky not far away and we might bring another midfielder in as well. You have to be patient a little bit [over any new signings].''
Denmark striker Nicklas Bendtner is also expected to leave ahead of the transfer deadline. However, Wenger played down reports the player was set to move to Italy next week.
"He is likely to move, yes, but there is no deal done at all,'' Wenger said.