 Complete the following phrase:  Prior to the season, the team management was fired and businessman Flavio Briatore was appointed team manager by the Benetton family. Pirro was dropped in favour of three-time world champion Nelson Piquet, who had left the struggling Lotus team. Benetton used a modified B189 before introducing the B190 at the third race of the season. 1990 proved to be the teams most successful to date, with Piquet winning the final two races of the season and the team achieving six other podium finishes. Tragedy would befall the team late into the season after Nannini lost his right forearm in a helicopter crash. His arm was re-attached but the injuries ended his Formula One career. EuroBrun driver Roberto Moreno had become available after the backmarker team pulled out of the sport, and so he was hired as Nanninis replacement. The next race in 