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 · Summer window
By club
- Gimcheon Sangmu4 in5 out
- Ulsan HD2 in3 out
- Incheon United2 in2 out
- Suwon FC3 in1 out
- FC Seoul3 in0 out
- Gangwon FC2 in1 out
- Jeju SK1 in2 out
- Jeonbuk Hyundai Motors3 in0 out
- Daegu1 in1 out
- Pohang Steelers0 in2 out
- Suwon Samsung Bluewings1 in1 out
- Gwangju FC0 in1 out
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources