Zhou Guanyu joins Antonio Giovinazzi as Ferrari reserve driver
The move sees Zhou return to the Prancing Horse having spent four years with the Scuderia Ferrari Driver Academy from 2015 to 2018.
Bottas and Zhou to depart Sauber
The duo will be replaced by Niko Hulkenberg and newcomer Gabriel Bortoleto in the final season before Audi takes over the team.