 Complete the following phrase:  Born in Milan, Campatelli debuted in Serie A at 17 years of age and played for Inter twelve seasons; in his early years he played as an offensive winger with an eye for goal; he subsequently moved to midfield and later also played as a defender. At twenty years of age he had already won a league championship and had been called up to the Italy national team by Pozzo to replace Serantoni in midfield. In 