It’s clear that Arsenal have been trying to make better use of the loan market this season, sending several players out to play first team football. Mikel Arteta currently has four senior players out on loan, with just the one coming in from other clubs, David Raya. Arsenal of course plan to make that move permanent in the near future, which may also be the case with some of the players away from the club too. It would be surprising for example if Kieran Tierney suddenly returned from his time at Real Sociedad with a place in the first team, no matter how gut-wrenching that may be for fans. Si…