A revelation about a key Manchester City player’s injury status has emerged ahead of his side’s upcoming clash against Arsenal. For City to beat Mikel Arteta’s side on Sunday, they will have to be on their A-game. However, that is easier said than done if Pep Guardiola does not have a fully fit squad to pick from for the contest at the Etihad Stadium. Manchester City captain Kyle Walker has a “50/50” chance of being fit for Arsenal clashSky Sports journalist Michael Bridge has revealed the injury status of Manchester City right-back Kyle Walker ahead of his side’s encounter against Arsenal. “K…