ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi wˈʌn, hiː sˈaɪnd fɔːɹ sɜːvˈɛt ˌɛfsˈiː, hˌuː wɜː wˈʌn ʌv swˈɪtsɚləndz mˈoʊst səksˈɛsfəl tˈiːmz æt ðə tˈaɪm, ænd bɪkˌeɪm ɐn ɪnvˈæljuːəbəl plˈeɪɚ fɔːɹ bˈoʊθ klˈʌb ænd kˈʌntɹi.
In 1981, he signed for Servette FC, who were one of Switzerland's most successful teams at the time, and became an invaluable player for both club and country.