It has not placed a fully backed driver into GP2 since Sebastien Buemi finished sixth in the 2008 championship .
Red Bull has , in the same period , promoted four drivers direct from World Series : Vettel , Alguersuari , Ricciardo and Vergne .
Red Bull has not placed a fully backed driver into GP2 since Sebastien Buemi finished sixth in the 2008 championship .
Red Bull has , in the same period , promoted four drivers direct from World Series : Vettel , Alguersuari , Ricciardo and Vergne .