Prost–Senna rivalry
The Prost–Senna rivalry, or Senna–Prost rivalry, was a Formula One rivalry between French racing driver Alain Prost and Brazilian racing driver Ayrton Senna. Widely regarded as one of the fiercest rivalries in Formula One history, Prost and Senna together won seven of nine Formula One World Drivers' Championship titles between 1985 and 1993, including two whilst teammates at McLaren from 1988 to 1989.