Guanyu Zhou and Colton Herta both on track for Cadillac in Barcelona in June
Absent from the grid since the end of his adventure with Sauber two years ago, Guanyu Zhou is preparing to get back behind the wheel with Cadillac F1.
Absent from the grid since the end of his adventure with Sauber two years ago, Guanyu Zhou is preparing to get back behind the wheel with Cadillac F1.