Arsenal are set to face Luton Town at the Emirates just days after drawing against Manchester City, and Mikel Arteta could make several changes. The Gunners face a busy schedule, and a tough trip to Brighton on Saturday will be followed by a Champions League clash with Bayern Munich next week. With this in mind, the game against Luton is perhaps the best opportunity for some bench players to gain some match sharpness, and some key Arsenal stars to rest ahead of a tough few weeks. It has now been mooted that midfielder Jorginho should be one player Arteta drops to the bench, after a difficult d…