K. Gruszkowski
Defender · 
Poland U21
Poland U21 Career
| Season | Club | Apps | Goals | A | Rating |
|---|---|---|---|---|---|
| 25/26 | Poland U21 · UEFA U21 Championship - Qualification | 0 | 0 | 0 | |
| 24/25 |  GKS Katowice · Ekstraklasa | 12 | 0 | 0 | 6.60 |
| 23/24 | Poland U21 · UEFA U21 Championship - Qualification | 7 | 0 | 0 | |
| 22/23 |  Wisla Krakow · I Liga | 17 | 1 | 0 | |
| 21/22 | Wisla Krakow · Ekstraklasa | 32 | 2 | 2 | 6.69 |
| 20/21 | Wisla Krakow · Ekstraklasa | 6 | 1 | 0 |
Transfers 5
| Date | Club | Type |
|---|---|---|
| Jun 30, 2026 | Arka Gdynia from GKS Katowice | Transfer |
| Jun 29, 2026 | Arka Gdynia from GKS Katowice | Transfer |
| Jan 28, 2025 | GKS Katowice from Dunajska Streda | Transfer |
| Jun 23, 2023 | Dunajska Streda from Wisla Krakow | |
| Jul 1, 2020 | Wisla Krakow from Wisla Krakow |