Career
Wilczek started as a forward, after some time he was moved to midfield. He began career in a local team Wawel Wirek, in 1954 moved to Zryw Chorzów, and in 1959 - to Górnik Zabrze, where he stayed until 1973. Wilczek played in 293 Ekstraklasa games as well as in 101 games of various competitions (Cup of Poland, European Cups).
Between 1961 and 1969 he capped 16 times for Poland, scoring two goals.
In 1973 Wilczek moved to France, where he played for United States Valenciennes, becoming the top scorer of the French Second Division. Then he took up the job of a coach, among others working in Africa, for the team AS Sogara Portuguese Gentil from Gabon.