United States GP: Ayrton Senna, McLaren MP4-6 Honda, leads Alain Prost, Ferrari 642, Nigel Mansell, Williams FW14 Renault, and Riccardo Patrese, Williams FW14 Renault, at the start.
Ayrton Senna, McLaren MP4-6 Honda, leads Alain Prost, Ferrari 642, Nigel Mansell, Williams FW14 Renault, and Riccardo Patrese, Williams FW14 Renault, at the start.