 Complete the following phrase:  Giovanni Trapattoni is the clubs most successful manager at international stage, with six trophies. During his first spell in the club between the 1970s and 1980s, Juventus became the first and only Italian side to win an international competition without foreigner footballers, the first club in the history of European football to have won all three seasonal tournaments organised by the Union of European Football Associations, being also the only one to reach it with the same coach, and the first European club to win the Intercontinental Cup, in 