As the international break continues, Mikel Arteta has been warned of one developing selection headache at Arsenal. There isn’t much that the manager would change regarding the Gunners’ start to the season, as Arsenal sit one point off the top of the Premier League table. Arteta’s squad remain unbeaten in all competitions, showing quality that could translate into another race for the league title. That being said, Arsenal are just seven games into the league season, with change expected in the coming weeks when it comes to squad selection. READ MORE: Three huge Arsenal decisions Mikel Arteta …