Tony Adams thinks Pierre-Emerick Aubameyang could leave Arsenal because of the club's tendency to sell its best players.
The Gunners have sold the likes of Robin van Persie, Samir Nasri and Alexis Sanchez in recent years while Aaron Ramsey left on a free transfer last season.
Aubameyang is the club's leading goalscorer but is yet to agree a new contract with his current deal running out in 2021.
And Adams believes the captain could be the next to leave because of the club's lack of ambition to keep its best players.