Wenger acknowledged it was Nasri's refusal to extend a contract that expired next summer which ultimately forced Arsenal's hand
https://www.skysports.com/football/news/11670/7121137/nasri-exit-saddens-wenger
Nasri is due to return to Arsenal for pre-season training on Thursday and the expectation is that the 24-year-old, in the final year of his contract, will inform the club he wants to leave.
https://www.theguardian.com/football/2011/jul/07/samir-nasri-manchester-united-arsenal
https://www.theguardian.com/football/2011/may/14/arsene-wenger-arsenal-transfer
Robin van Persie has dealt Arsenal a devastating blow – and opened the way for a move to Manchester City – by announcing he will not extend his contract before it expires next summer.
https://www.theguardian.com/football/2012/jul/04/robin-van-persie-arsenal
"The club said in response: "We have to respect Robin's decision not to renew his contract. Robin has one year to run on his current contract and we are confident that he will fulfil his commitments to the club."
https://www.theguardian.com/football/2012/apr/20/arsene-wenger-robin-van-persie-arsenal
I mean common qwiss this is public knowledge that their contracts were expiring
Why the hell would wenger sell to utd of all places?
Speaking in Malaysia, Wenger said: "Van Persie is a world-class striker and I am a big supporter of him. I have supported him through his whole career. He has one year left and is in demand but our desire is to keep him. "However, we will do what is in best interest of the club. If you have a decoder in your head you can decode that.
https://www.skysports.com/football/news/11670/7927953/wenger-sets-van-persie-deadline