United States GP: Ayrton Senna leads Alain Prost, Ferrari 642, Nigel Mansell, Williams FW14 Renault, Riccardo Patrese, Williams FW14 Renault, and the rest of the field at the start.
Ayrton Senna leads Alain Prost, Ferrari 642, Nigel Mansell, Williams FW14 Renault, Riccardo Patrese, Williams FW14 Renault, and the rest of the field at the start.