Ekstraklasa
- 18O
- 18W
- 18S
90% or more have a feeSome have a feeNo fee recordedS summer, W winter, O other dates
2018-19 · Winter window
2018-19 · Summer window
By club
- Pogoń Szczecin4 in0 out
- Górnik Zabrze3 in0 out
- Jagiellonia Białystok3 in0 out
- Lechia Gdańsk3 in0 out
- Lech Poznań3 in0 out
- Legia Warsaw3 in0 out
- Piast Gliwice3 in0 out
- Śląsk Wrocław3 in0 out
- Cracovia Kraków2 in0 out
- Miedź Legnica2 in0 out
- Wisła Kraków2 in0 out
- Zagłębie Lubin2 in0 out
- Korona Kielce1 in0 out
- Wisła Płock1 in0 out
- Zagłębie Sosnowiec1 in0 out
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources