2021 Formula One World Championship
Four-time World Drivers' Champion Sebastian Vettel left Ferrari at the end of the  Championship after racing with the team for six seasons. Vettel's seat was taken by Carlos Sainz Jr., who had left McLaren. Daniel Ricciardo moved from Renault to McLaren, where he replaced Sainz. Ricciardo was replaced by double World Champion Fernando Alonso, who drove in Alpine's first season, having last raced in  for McLaren.