Three Premier League clubs are reportedly considering a move for a £40m-rated Arsenal star who could leave on one condition. The upcoming transfer window is shaping up to be one of the most important in some time for the Gunners in terms of departures, with some big names expected to leave the Emirates Stadium in the coming months. Thomas Partey has already been linked with a move to Saudi Arabia with Reiss Nelson also reportedly open to offers this summer, with Mikel Arteta set on improving his squad once again by refreshing key positions. And another Arsenal player could be on his way out if…