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- First Name : Iñaki
- Last Name : Williams Arthuer
- Team : Ath Bilbao
- Nationality : Ghana
- Position : Attacker
- Birth Place : Bilbao
- Birth Country : Spain
- Birthdate : 15/06/1994
- Age : 31
- Height : 186 cm
- Weight : 81 kg
| Team | Season |  |
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|
| Athletic Bilbao | 2024/2025 | 2618 | 1 | 0 | 0 | 8 | 6 | 7.048484 |
| Athletic Bilbao | 2023/2024 | 2855 | 4 | 0 | 0 | 3 | 12 | 7.326470 |
| Athletic Bilbao | 2022/2023 | 2852 | 2 | 0 | 0 | 3 | 10 | 6.880555 |
| Athletic Bilbao | 2021/2022 | 2787 | 4 | 0 | 0 | 5 | 8 | 6.900000 |
| Athletic Bilbao | 2020/2021 | 2392 | 1 | 0 | 0 | 6 | 6 | 6.744736 |
| Athletic Bilbao | 2019/2020 | 2958 | 3 | 0 | 0 | 1 | 6 | 6.757894 |
| Athletic Bilbao | 2018/2019 | 3040 | 3 | 0 | 0 | 4 | 13 | 6.971052 |
| Athletic Bilbao | 2017/2018 | 2851 | 3 | 0 | 0 | 6 | 7 | 6.807894 |
| Athletic Bilbao | 2016/2017 | 2799 | 4 | 0 | 0 | 6 | 5 | 6.647368 |
| Athletic Bilbao | 2015/2016 | 1639 | 3 | 1 | 0 | 3 | 8 | 6.772000 |
| Athletic Bilbao | 2014/2015 | 1310 | 1 | 0 | 0 | 1 | ||
| Athletic Club II | 2014/2015 | 1547 | 3 | 0 | 0 | 13 | ||
| Athletic Club II | 2013/2014 | 953 | 1 | 0 | 0 | 8 |
