 Complete the following phrase:  The lack of funding led to frequent driver changes as the team demanded that their drivers bring significant sponsorship to keep the team afloat. Some drivers started their F1 careers at Osella, such as Alex Caffi and Gabriele Tarquini, while Piercarlo Ghinzani had four stints with the team. Others disappeared as quickly as they had come, such as Allen Berg and Franco Forini. Enzo Osella gave the young Austrian Jo Gartner his one and only chance to drive a Formula One car in 1984. Riccardo Paletti also had high hopes, but was killed in a start-line accident at the 