Red Bull director Helmut Marko has revealed that a former Formula One star has expressed interest in returning to the sport and replacing number two driver Sergio Perez.

The reigning world champions’ current driver line-up is led by three-time world champion, Max Verstappen, with the experienced Perez alongside him.

Red Bull currently lead the constructors championship by 24 points from second-placed Ferrari, with Verstappen on top of the driver standings, and the Mexican driver in fifth.

It is expected that Perez will be offered a new contract by Red Bull, according to the Mirror, and they are confident he is the right man to continue partnering their star man, Verstappen.

However, despite this, Marko has shared that four-time world champion, Sebastian Vettel, wants to comeback to the team he won all his titles with.

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Retired four-time world champion, Sebastian Vettel (left), is reportedly keen on a return to Red Bull

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Red Bull director Helmut Marko has revealed that Vettel has enquired about taking Perez’s spot as number two to Max Vertsappen

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Max Verstappen (left) and Sergio Perez (right) are currently the driving duo at Red Bull racing