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 · Winter window
By club
- Seongnam FC3 in5 out
- Ulsan HD3 in3 out
- Daegu3 in2 out
- Gwangju FC1 in4 out
- Suwon Samsung Bluewings4 in1 out
- Incheon United3 in1 out
- Jeju SK3 in1 out
- FC Seoul0 in3 out
- Jeonbuk Hyundai Motors0 in3 out
- Suwon FC3 in0 out
- Gangwon FC1 in1 out
- Pohang Steelers1 in1 out
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources