He drove for them on their debut in 1985 , scored their first point in the 1988 United States Grand Prix , although he had been running 5th for quite a long time during the race until being passed by Tyrrell 's Jonathan Palmer , took their only front-row start at 1990 USA Grand Prix ( aided by special Pirelli tyres ; several of their other drivers had surprise qualifying results that day ) , their only lap leading a race in the 1989 Portuguese Grand Prix , where he finished 5th , and scored their joint-best F1 result of 4th .
Took their only front-row start at 1990 USA Grand Prix , aided by special Pirelli tyres .