Arsenal take on Manchester City at the Etihad on Sunday, and Paul Merson has revealed his prediction for the game. We have a three-horse race for the Premier League title for the first time in years. Arsenal are on top of the table at the moment, above both Liverpool and Manchester City. The Gunners leapfrogged their two rivals to become league leaders after City and Liverpool had to settle for a 1-1 draw at Anfield earlier this month. Now, Liverpool will watch on as Arsenal and Manchester City battle it out at the Etihad on Sunday. It is going to be a fascinating game. Paul Merson predicts Ma…