Horner oversaw eight F1 drivers’ titles — four for Sebastian Vettel and four for Verstappen — and six constructors’ titles during his time with the team.

Red Bull’s Formula 1 team is changing team directors for the first time since it was founded 20 years ago, after Christian Horner's sacking sent shockwaves through the sport on Wednesday.

Horner is a key figure in one of the most dramatic and controversial title fights in history as Verstappen beats Lewis Hamilton to the championship.