Since Mikel Arteta’s arrival at Arsenal in December 2019, the club have undergone some major changes behind the scenes. Arteta took over from Unai Emery and endured a topsy-turvy first few years in charge but the last two seasons have seen Arsenal established as genuine title challengers. The key reason for their change in fortunes could be in training and it’s thought to be totally different to Arsene Wenger’s methods. READ MORE: Mikel Arteta says he loves £30m Arsenal player who’s in talks to leaveMikel Arteta’s training is very intense All new managers will have slightly different training …