Arsenal supporter Piers Morgan has now conceded that he was wrong about one important figure at the North London club. Arsenal manager Mikel Arteta is now a loved and idolised figure at the Emirates Stadium. Arteta has transformed Arsenal. He has made the Gunners Premier League title contenders again, having healed the rift that once existed between the club and the fans, and having built an exciting, talented, and likeable young squad who are hungry for success. However, when the Spaniard was first appointed in December 2019, there were certainly doubts about his readiness for such a role, gi…