Rubuta ci gaba don wannan sakin layi - Jair ya koma kungiyar Italiya ta Internazionale a watan Nuwamba na 1962, kuma ya ci gaba da buga wasanni 260 na manyan wasanni don kulob din Milan a cikin sihiri biyu (1962 <unk> 1967 da 1968 <unk> 1972). Ya kasance sanannen memba na ƙungiyar "Grande Inter" ta Helenio Herrera a gefen dama, kuma ya lashe taken Serie A guda huɗu (biyu daga cikinsu an ci nasara a jere), da Kofin Turai biyu a 1964 da 1965, da kuma Kofin Intercontinental a jere a 1964
da kuma 1965, a lokacin da yake a kulob din.