Giacomo Agostini 1967 he battled Hailwood in one of the most dramatic seasons in Grand Prix history. Each rider had 5 victories before the championship was decided in Agostini's favor at the last race of the season. Agostini dropped a bombshell on the Grand Prix world when he announced he would never again race at the Isle of Man TT, after the death of his close friend, Gilberto Parlotti during the 1972 TT. He considered the 37 mile circuit unsafe for world championship competition. At the time, the TT was the most prestigious race on the motorcycling calendar. Other top riders joined
Giacomo Agostini before him, Agostini raced in Formula One cars. He competed in non-championship Formula One races in 1978. He competed in the European Formula 2 series in a Chevron B42-BMW and British Aurora Formula 1 with his own team and a Williams FW06. He ended his auto racing career in 1980. In 1982 Agostini returned to motorcycle racing as the Marlboro Yamaha team manager. In this role he won three 500cc titles with Eddie Lawson and managed many successful riders including Graeme Crosby and Kenny Roberts. Under his management riders won the 1982 Daytona Formula 1 (Crosby), 1983 and 1984 Daytona