K League 1
- 21O
- 21W
- 21S
90% or more have a feeSome have a feeNo fee recordedS summer, W winter, O other dates
2021-22 ยท Summer window
By club
- Suwon FC3 in0 out
- FC Seoul2 in0 out
- Gangwon FC2 in0 out
- Jeonbuk Hyundai Motors2 in0 out
- Daegu1 in0 out
- Gimcheon Sangmu1 in0 out
- Incheon United1 in0 out
- Suwon Samsung Bluewings1 in0 out
- Ulsan HD1 in0 out
Sources: Wikipedia (CC BY-SA 4.0), API-Football ยท Data sources