Sebastian Vettel is a four-time Formula 1 world champion, having won all of his titles with Red Bull, and has been linked with a return to the team in recent weeks

Max Verstappen has backed the idea of Sebastian Vettel taking on an advisory role at the Red Bull F1 team if Helmut Marko retires

D efending F1 world champion Max Verstappen has opened up on the prospect of Red Bull legend Sebastian Vettel making a return to the team. The German won four consecutive drivers' titles during a dominant spell with the Milton Keynes-based outfit between 2010 and 2013, before going on to drive for Ferrari and Aston Martin.