Red Bull Racing could once again celebrate standing on the top step of the podium at the Spanish Grand Prix. It was their seventh Grand Prix victory of the season, with every race win coming courtesy of Max Verstappen thus far. However, it’s been far from plain sailing for the Austrian outfit who arguably were once again not the quickest car on the grid in Barcelona. Instead, they have been heavily reliant on Verstappen and his individual brilliance, with the gap to Sergio Perez highlighting just how difficult the car is to drive right now. A report from the Dutch outlet Telegraaf.nl suggests …