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- First Name : Kaj
- Last Name : Sierhuis
- Team : Sittard
- Nationality : Netherlands
- Position : Attacker
- Birth Place : Athína
- Birth Country : Greece
- Birthdate : 27/04/1998
- Age : 27
- Height : 180 cm
- Weight : 83 kg
| Team | Season |  |
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|
| Fortuna Sittard | 2024/2025 | 532 | 1 | 0 | 0 | 1 | 1 | 6.618181 |
| Fortuna Sittard | 2023/2024 | 2192 | 4 | 0 | 0 | 3 | 12 | 7.074193 |
| Reims | 2023/2024 | 0 | 0 | 0 | 0 | 0 | ||
| Reims II | 2022/2023 | 75 | 0 | 0 | 0 | 0 | ||
| Reims | 2022/2023 | 207 | 0 | 0 | 0 | 0 | 6.530000 | |
| Heracles | 2021/2022 | 1433 | 2 | 0 | 0 | 3 | 4 | 6.838888 |
| Reims | 2021/2022 | 80 | 0 | 0 | 0 | 0 | 6.450000 | |
| Reims | 2020/2021 | 640 | 2 | 0 | 0 | 1 | 0 | 6.517391 |
| Reims | 2019/2020 | 13 | 0 | 0 | 0 | 0 | 6.200000 | |
| Groningen | 2019/2020 | 1048 | 0 | 0 | 0 | 1 | 6 | 6.993333 |
| Groningen | 2018/2019 | 1348 | 1 | 0 | 0 | 4 | 6.600000 | |
| Ajax | 2018/2019 | 82 | 0 | 0 | 0 | 0 | 6.600000 | |
| Ajax II | 2018/2019 | 773 | 0 | 0 | 0 | 4 | ||
| Ajax | 2017/2018 | 0 | 0 | 0 | 0 | 0 | ||
| Ajax II | 2017/2018 | 900 | 2 | 1 | 0 | 14 | ||
| Ajax II | 2016/2017 | 449 | 0 | 0 | 0 | 4 |
