 Complete the following phrase:  Zona mista proved highly successful at national and international level: with it, Torino won the 197576 Serie A, its first after the Superga air disaster; Juventus played some of its finest football ever, setting the most enduring record in the history of Italian football by winning six league titles and two cups in ten years. Juventus then extended this success to the international arena, starting in 1977 when the club won the UEFA Cup without foreign footballers, an unprecedented achievement for any countrys team. Subsequently, it lifted the Cup Winners Cup, the European Champions Cup, the UEFA Super Cup and the 