Monaghan on difference between Verstappen and Perez: 'Checo might be upset'

The difference between Max Verstappen and Sergio Perez has proved quite large in recent years. Whereas the Dutchman has already become a three-time world champion and now leads the championship with more than 84 points ahead of Lando Norris, Perez has often struggled to finish behind his teammate. Red Bull Racing chief engineer Paul Monaghan talks about the difference between the two teammates.