Red Bull’s twin brothers and number one mechanics will split up for F1 2026, with Max Verstappen set for a new number one as Audi has secured the services of Matt Caller.

Caller and his twin brother Jon have each worked as number one mechanics at Red Bull in recent years, with Matt Caller assigned to Verstappen’s car for the past three seasons.

Matt Caller to join Audi for F1 2026 season

Caller has been Max Verstappen’s number one mechanic since the start of 2023, moving across from working on Sergio Perez’s car during 2022. This move was made following the promotion of Chris Gent to the position of chief mechanic.

Caller joined Red Bull 10 years ago, having stepped up into Formula 1 after spending three years at Carlin.

He will depart Red Bull at the conclusion of this season and is

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