The Arsenal forward is not currently a part of the first-team squad at The Emirates.
Reports in Turkey are claiming that Galatasaray are still in the pursuit of Joel Campbell at Arsenal.
It is being reported in the Vatan Gazete that the Turkish giants will be making a late move to bring Campbell to Istanbul from the London club before the end of the transfer window on Tuesday evening.
It is reported that Gala are hopeful of concluding a €7 million (£5.1 million) before the deadline, with Arsenal open to his exit.
It would be the second Arsenal attacker to make the move this summer, after German international Lukas Podolski also joined the club from Arsenal.
Campbell was signed from Costa Rican side Saprissa in 2011 and has spent time out on loan with the likes of Lorient, Real Betis, Olympiakos and Villarreal but has never quite made the grade at Arsenal.
That is despite some excellent performances for the Costa Rica national team, in particular during the 2014 World Cup in Brazil. He has 50 caps for his nation, scoring 10 goals.
Galatasaray are bracing themselves to lose striker Burak Yilmaz this week, as he is being linked with a string of clubs