GKS Tychy U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2018-03-01 | Jan Biegański | GKS Tychy U19 | GKS Tychy | — |
| 2016-03-07 | Jakub Kiwior | GKS Tychy U19 | GKS Tychy | — |
| 2014-07-01 | Bartosz Mrozek | GKS Tychy U19 | Lech U19 | — |
| 2013-08-02 | Mateusz Grzybek | GKS Tychy U19 | GKS Tychy | — |
| 2012-07-01 | Bartosz Mrozek | Stadion Slaski Chorzow | GKS Tychy U19 | — |