How Chelsea flop has gone from being a target of boo boys to playing a crucial part in their push for Europe... and a key change shows why Pep Guardiola wanted him at Man City

Long after full-time, once Stamford Bridge had emptied to leave only the cleaners in the stands, Paul Winstanley and Laurence Stewart emerged from the tunnel full of smiles after one of their regular visits to the Chelsea changing room.