Portuguese GP: Michele Alboreto, Ferrari F1-87, leads Philippe Streiff, Tyrrell DG016 Ford, Alain Prost, McLaren MP4-3 TAG, and Jonathan Palmer, Tyrrell DG016 Ford.
Michele Alboreto, Ferrari F1-87, leads Philippe Streiff, Tyrrell DG016 Ford, Alain Prost, McLaren MP4-3 TAG, and Jonathan Palmer, Tyrrell DG016 Ford.