Mikel Merino has finally put pen to paper on a move to Arsenal having joined from Spanish side Real Sociedad. Arsenal had dragged the Mikel Merino announcement on for long enough before finally announcing it on their socials, with fans now breathing a big sigh of relief. However, their thoughts will now immediately turn to when they can see their new man in action, with just one potential opportunity left before the international break. A number of outlets have reported that he could make his debut vs Brighton. Sky Sports say Mikel Merino in line to make debut vs BrightonSpeaking live on Sky S…