1990 Formula One World Championship
After Canada came Mexico and Berger qualified on pole position with Patrese beside him and Senna third, Mansell fourth, Boutsen fifth and Alesi sixth. At the start, Patrese and Berger jumped Senna while Piquet got ahead of Boutsen and Mansell. Early on, Senna passed Patrese and Berger followed him through. Patrese was dropping back and Piquet got by him as well. Boutsen was the next to go through but at the same time Berger had a problem with his tyre and was forced to stop and dropped back to 12th. Senna lead from Piquet, Boutsen, Patrese, Mansell and Prost.