 Complete the following phrase:  At the end of 1975, Fittipaldi left to join his brothers a hrefFittipaldi20AutomotiveFittipaldiCopersucara team. With the top drivers already signed to other teams, Mayer turned to James Hunt, a driver on whom biographer Gerald Donaldson reflected as having a dubious reputation. In , Lauda was again strong in his Ferrari; at midseason, he led the championship with 56 points whilst Hunt had only 26 despite wins in Spain a race from which he was initially disqualified and 