Mezue ahịrịokwu na-esonụ: O sonyere na 15 World Championship Grand Prix, na-amalite na 1 Jenụwarị 1968. O nwetara otu ọkwa n'asọmpi Spanish Grand Prix nke afọ 1968, ebe ọ gbara onye nke atọ n'ụgbọala Cooper-BRM n'azụ Graham Hill n'ụgbọala Lotus-Ford na Denny Hulme n'ụgbọala McLaren-Ford. Mgbe ahụ ọ nwere ihe mberede na Belgian Grand Prix na Spa-Francorchamps, na-akụda ya Cooper-BRM mgbe nkwusioru mebiri na Les Coombes nkuku; ọ lanarịrị na aka gbajiri agbaji. O nwetara ngụkọta nke ihe mmeri 8 na ọrụ ya, yana ebe 5 abụọ na 1972, na Monaco Grand Prix na
German Grand Prix na-anya Yardley McLaren.