Mikel Arteta has to make some big decisions every week as the manager of Arsenal. The Spaniard is one of the best managers in the world, and the work he has done at the Emirates over the years is nothing short of remarkable. However, there are a lot of problems that arise every week, and the Arsenal manager is the one who has to solve most of them. One of them is keeping every member of the squad happy irrespective of the game time they receive. That is never easy because everyone wants to play. Leandro Trossard becomes ‘stubborn’ when he doesn’t start for ArsenalArsenal signed Leandro Trossar…