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- First Name : William Robert
- Last Name : Lannin-Sweet
- Team : Arsenal U21
- Nationality : Wales
- Position : Defender
- Birth Place : London
- Birth Country : England
- Birthdate : 02/10/2006
- Age : 19
- Height :
- Weight :
| Team | Season |  |
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|
| Arsenal U21 | 2024/2025 | 930 | 0 | 0 | 0 | 2 | ||
| Arsenal U18 | 2024/2025 | 1022 | 7 | 0 | 0 | 0 | ||
| Arsenal U18 | 2023/2024 | 1353 | 6 | 0 | 0 | 1 |
