Arsenal’s recent mid-season trip to Dubai has been a masterstroke, as Mikel Arteta’s side returned fully refreshed and back in top form. The Gunners hit a crisis point with three defeats in a row before the mid-season break, which saw them lose ground in the Premier League title race, and were eliminated from the FA Cup by Liverpool. However, a warm-weather break, which also saw them work on their set-pieces, has fully paid off. The squad was decimated by injuries in recent months, and several key players were all suffering from a dip in form simultaneously. Arsenal have convincingly won their…