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 Winter window
By club
- Jeju SK2 in2 out
- Gwangju FC0 in2 out
- Daegu1 in0 out
- FC Seoul0 in1 out
- Gangwon FC1 in0 out
- Pohang Steelers1 in0 out
Sources: Wikipedia (CC BY-SA 4.0), API-Football ยท Data sources