By Katie Catherall Arsenal legend Arsene Wenger believes his former side ‘have the capacity’ to win the Premier League title this season ahead of their huge clash with Manchester City on Sunday. Title-chasing Arsenal are preparing for what could be the game of the season when they face reigning champions City at the Etihad in Gameweek 30’s headline fixture. Former boss Wenger, whose 22 years in charge in north London were filled with trophies, backed his old side but admitted their final position will be determined by their performances in the run-in as Man City and Liverpool also hunt glory. …