Horner expects others to improve Most read Red Bull parts ways with $150 million sponsor McLaren lose former Norris engineer to F1 rival Interview Leclerc channels inner Verstappen with bold F1 approach Rosberg points to 'bridge burner' in F1 who lacked 'social intelligence' to succeed Horner sets Red Bull unusual target with new F1 car Red Bull door 'remains open' for Sainz despite latest snub