[2] He holds the record for winning the most Polish domestic competitions as a player, with 15 official titles, all while playing for Górnik Zabrze.
[4] In 1973, Wilczek moved to France, where he played for US Valenciennes, becoming the top scorer of the French Second Division.
After retiring, he became a scout for Valenciennes, before being appointed manager of their reserve team in 1977, and taking charge of the senior squad two years later.
Dictionnaire des footballeurs étrangers du championnat professionnel français (1932-1997).
This biographical article related to a Polish association football forward is a stub.