Oscar Piastri gave his verdict on the collision between Carlos Sainz and Sergio Perez that effectively ended the Azerbaijan Grand Prix. Both Carlos Sainz and Sergio Perez were battling on the penultimate lap of the race when they collided coming out of Turn 2, causing both to crash into the barrier and retire from the race. Sainz had closed on the three-way battle for the lead in the final laps and was helped by Charles Leclerc’s tyres dropping off in performance before they made contact fighting for third. Both Sainz and Perez are being investigated after the race by the stewards for causing …