Ekstraklasa
- 21O
- 21W
- 21S
90% or more have a feeSome have a feeNo fee recordedS summer, W winter, O other dates
2021-22 · Winter window
2021-22 · Summer window
By club
- Raków Częstochowa1 in4 out
- Warta Poznań2 in2 out
- Pogoń Szczecin2 in1 out
- Stal Mielec1 in2 out
- Górnik Łęczna1 in1 out
- Górnik Zabrze2 in0 out
- Lechia Gdańsk1 in1 out
- Legia Warsaw1 in1 out
- Piast Gliwice1 in1 out
- Wisła Kraków1 in1 out
- Zagłębie Lubin1 in1 out
- Nieciecza1 in0 out
- Jagiellonia Białystok1 in0 out
- Radomiak Radom0 in1 out
- Śląsk Wrocław1 in0 out
- Wisła Płock0 in1 out
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources