 Complete the following phrase:  On 16 January 2017, Wehrlein signed with Sauber. He was forced to miss the first test in Barcelona due to an injury he sustained while competing in the Race of Champions. He was replaced by Antonio Giovinazzi before returning for the second test at the same circuit. Despite being fit to take part in the , he later withdrew after participating in the first two practice sessions, with Giovinazzi replacing him for the rest of the race weekend. On 3 April 2017, Sauber F1 announced Wehrlein would again be replaced by Giovinazzi for the 