Ekstraklasa
- 20O
- 20W
- 20S
90% or more have a feeSome have a feeNo fee recordedS summer, W winter, O other dates
2020-21 · Summer window
By club
- Lech Poznań0 in4 out
- Legia Warsaw0 in4 out
- Raków Częstochowa0 in4 out
- Wisła Płock0 in4 out
- Górnik Zabrze0 in3 out
- Jagiellonia Białystok0 in3 out
- Lechia Gdańsk0 in3 out
- Piast Gliwice0 in3 out
- Śląsk Wrocław0 in3 out
- Wisła Kraków0 in3 out
- Cracovia Kraków0 in2 out
- Pogoń Szczecin0 in1 out
- Warta Poznań0 in1 out
- Zagłębie Lubin0 in1 out
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources