Although Arsenal seem convinced that it’s the right time to sell Emile Smith Rowe this summer, some departures haven’t been so amicable. Mikel Arteta and Edu have reportedly put a real emphasis on players leaving this month in preparation for the club improving their squad. Although Arsenal will make an exception for Riccardo Calafiori, it will otherwise be akin to a one in, one out policy. Perhaps in that regard Smith Rowe’s departure could pave the way for Real Sociedad midfielder Mikel Merino to arrive in north London. Arsenal have been in contact with Merino, and it seems as if he could be…