Premier League high-flyers Arsenal and Aston Villa are set to lock horns in the league on Sunday. Mikel Arteta’s title-chasing Gunners will be hosting Unai Emery’s Champions League-chasing Villans at the Emirates Stadium. Arsenal will be hoping to maintain momentum at the top of the table, with both Liverpool and Manchester City snapping at their heels. Meanwhile, Villa will be eager to get back into the top four after playing out a 3-3 draw with Brentford last Saturday. This allowed top-four rivals Tottenham to leapfrog them following their win over Nottingham Forest on Sunday. Paul Merson, w…