F1 - Formula 1 - Mexican Grand Prix 2017 - Mexico City, Mexico - October 29, 2017 Ferrari's Sebastian Vettel and Red Bull's Max Verstappen at the start of the race REUTERS/Henry Romero/File Photo
LONDON (Reuters) - The titles are won and the pressure is off but the Formula One season could yet have a sting in the tail for four-times world champion Lewis Hamilton and triumphant Mercedes.
Resurgent Red Bull believe they can win the last two races, in Brazil this weekend and Abu Dhabi at the end of November, while Ferrari are also eager to wrap up 2017 with a flourish.
