Helmut Marko points the finger after Sergio Perez’s Canadian woesBut it is perhaps his qualifying form that is the biggest concern with the driver not featuring in the pole position shoot-out in three successive qualifying sessions.Max Verstappen played his part in a Canada qualifying thriller and was later cleared by the stewards over a potential pit-lane infringement.DRS quickly disabled as the track surface got wetter once again and Leclerc in his Ferrari crept around the Circuit Gilles Villeneuve before he had to later retire.