Manchester City are facing a concerning potential injury crisis ahead of facing Arsenal on Sunday. Manchester City are enjoying another fantastic season and could still win an unprecedented back-to-back treble. But to do so will be incredibly difficult, with the Premier League title race being especially difficult as Pep Guardiola’s side battle it out with Liverpool and Arsenal. City trail the two teams by a single point but have the opportunity to overtake the Gunners on Sunday when they meet in a massive top-of-the-table clash. The Blues have already lost to Arsenal once this season and will…