Formula 1: Carlo Sainz to join Ferrari for 2021 F1 season to replace Sebastian Vettel ,as Riccardo replaces the Spaniard at McLaren in 2021 Carlo Sainz will join Ferrari for the 2021 Formula 1 season to replace Sebastian Vettel after signing a two-year deal with Ferrari. On a huge day in F1's transfer market,Deniel Riccardo was earlier confirmed as the diver who will in turn replace Sainz at McLaren next year. Sainz the 25-year -old Spaniard, will join Charles Leclerc in a rare youthful Ferrari line-up after what will be two year at McLaren and an impressive 2019 campaign,when the team's Fortunes improved and his stock rocketed . "I am very happy that I will be driving for scuderia Ferrari in 2021 and I'm excited about my future with the team ." said Sainz,who finished sixth in last year's Formula 1 championship . Ferrari boss mattia Binotto said :" we have embarked on a new cycle with the aim of getting