Ekstraklasa
- 20O
- 20W
- 20S
90% or more have a feeSome have a feeNo fee recordedS summer, W winter, O other dates
2020-21 · Other dates
2020-21 · Summer window
By club
- Górnik Zabrze1 in0 out
- Raków Częstochowa1 in0 out
- Stal Mielec0 in1 out
- Wisła Płock0 in1 out
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources