He’s the undoubted coaching genius of 21st century football, admired, aspired to, much imitated and rarely bettered, but this summer has been one of unusual uncertainty for Pep Guardiola. Can Manchester City be revived? Does he have the players to achieve that? Jonathan Wilson, John Brewin and Miguel Delaney share their memories of Guardiola’s 17 years at the pinnacle of the game and