Pep Guardiola was at a loss to explain what happened to his Manchester City side after they almost blew a four-goal lead in a madcap 5-4 win at Fulham.Erling Haaland brought up his century of Premier League goals but his milestone got lost in the mayhem of what was to follow.City were 5-1 up and cruising shortly after half-time, but goals from Alex Iwobi and substitute Samuel Chukwueze’s double left them clinging on for dear life by the end.