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Keke Rosberg’s Williams-Honda FW09B leads the field into the first corner at the start of the last race of the 1984 season, the Portuguese Grand Prix start at Estoril.
Behind him are Nigel Mansell (Lotus-Renault 95T), Alain Prost (McLaren-TAG MP4-2), Nelson Piquet (Brabham-BMW BT53) and Ayrton Senna (Toleman-Hart TG184).