 Complete the following phrase:  Gregory only competed in four Grands Prix in the 1958 season, due to injuries sustained through one of his trademark bailouts when his car was set to crash, this time in a sports car race at Silverstone in England. He did manage a fourth place at the Italian Grand Prix, and a 6th in the last race of the year, this Moroccan Grand Prix. Moving to Cooper-Climax for the 1959 season alongside Jack Brabham and Bruce McLaren, he scored two podium finishes - a third place at the Dutch Grand Prix, and a career-best second at the 