 He is most noted for his time with Italian sides Juventus and Napoli, for the latter of which he holds the record for the most goals scored in Serie A for the club; he is also Napoli's second all-time highest scorer in the Italian leagues.His younger brother Oliviero Vojak played professionally as well, for Juventus and Napoli.To distinguish them, Antonio was known as Vojak I and Oliviero as Vojak II.