Mario Andretti backs Herta for F1 switch amid Sauber link
Mario Andretti has backed IndyCar star Colton Herta to switch to Formula 1 amid speculation the Andretti family is close to buying into the Sauber team
Mario Andretti has backed IndyCar star Colton Herta to switch to Formula 1 amid speculation the Andretti family is close to buying into the Sauber team