By Dan Marsh Injuries have impacted both Manchester City and Arsenal’s team selections at the Etihad ahead of their pivotal title showdown. The two sides are separated by just a solitary point at the Premier League summit and Sunday’s match will have major title ramifications – but both sides are heading into the clash without key personnel. Kevin de Bruyne withdrew from international duty with a groin injury. No timeframe was given for his return when the issue was announced prior to the win over Newcastle in the FA Cup quarter-finals earlier this month but he is back in the team for the Arse…