When Said Benrahma’s tame shot trickled into the net, David de Gea rolled over and lay face down in the turf at the London Stadium. The seconds that he stared into the grass must have felt like an eternity as West Ham fans celebrated, Manchester United supporters puffed their cheeks and his team-mates cut stunned figures. In that moment De Gea must have been thinking ‘not again’ after making another costly error and was perhaps also fleetingly pondering his future at the club on the day he made his 540th Red Devils appearance. Admittedly, Benrahma should never have been allowed to get a shot away as…
