Later that year team - leader Jackie Oliver and sponsor Ambrosio left Shadow to form the Arrows team , taking Patrese with them .
He made his debut at the 1977 Monaco Grand Prix with the Shadow racing team sponsored by Italian businessman Franco Ambrosio , replacing Renzo Zorzi .
Later that year team - leader Jackie Oliver and sponsor businessman left Shadow racing team to form the Arrows team , taking Patrese with Shadow racing team .
He made his debut at the 1977 Monaco Grand Prix with the Shadow racing team sponsored by Italian businessman Franco Ambrosio , replacing Renzo Zorzi .