János Hajdú (footballer) explained

János Hajdú (born 1898 in Komló^[1]) was a Hungarian footballer and coach.

He became known for having been the player/manager of S.S.C. Bari during the 1930–31 Serie B season.^[1]

Previously, he played as midfielder^[2] in NAK Novi Sad in 1924^[3] in Yugoslavia, and in Italy in FC Liberty Bari in the 1924–25 and 1925–26^[2] Prima Divisione seasons.

Notes and References

1. https://www.solobari.it/almanacco/allenatore.php?id=3 Janos Hajdu
2. https://www.rsssf.org/players/hong-players-in-it.html Hungarian Players and Coaches in Italy
3. Sportista, n 13, Belgrade 18 July 1924, page 1