How Verstappen has depleted Red Bull's F1 driver pool

Max Verstappen is delivering the goods for Red Bull in Formula 1, but has that come at a price for the company that needs four drivers to field in the two teams it owns? Edd Straw and Scott Mitchell join Glenn Freeman to look at the impact Verstappen has had on Red Bull's wider driver pool in recent years, why he's the "worst team-mate on the grid" at the moment, and how the battle to drive the second Red Bull in 2020 is shaping up following the decision to replace Pierre Gasly with Alexander Albon for the rest of the season