| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Al Diriyah | Division 1 | 27 | 3 | 0 | 5 | 0 | – |
| 2024/2025 | PAOK | Super League | 4 | 0 | 0 | 0 | 0 | 7.0 |
| 2024/2025 | Besiktas | Super Lig | 2 | 0 | 0 | 1 | 0 | 7.0 |
| 2023/2024 | Besiktas | Super Lig | 22 | 7 | 0 | 4 | 1 | 7.1 |
| 2022/2023 | Besiktas | Super Lig | 10 | 0 | 0 | 4 | 0 | 6.9 |
| 2022/2023 | Sampdoria | Serie A | 16 | 1 | 0 | 5 | 0 | 6.8 |
| 2021/2022 | Sampdoria | Serie A | 32 | 0 | 0 | 6 | 1 | 6.9 |
| 2020/2021 | Sampdoria | Serie A | 29 | 2 | 0 | 5 | 0 | 7.0 |
| 2019/2020 | Sampdoria | Serie A | 31 | 0 | 1 | 10 | 0 | 6.8 |
| 2018/2019 | Sampdoria | Serie A | 21 | 0 | 0 | 2 | 1 | 6.9 |
| 2017/2018 | Genk | Jupiler League | 38 | 1 | 0 | 9 | 0 | – |
| 2016/2017 | Genk | Jupiler League | 35 | 3 | 0 | 6 | 1 | – |
| 2016 | Djurgarden | Allsvenskan | 17 | 2 | 0 | 3 | 0 | – |
| 2015 | Djurgarden | Allsvenskan | 27 | 3 | 0 | 3 | 0 | – |
| 2014 | KuPS | Veikkausliiga | 32 | 4 | 0 | 4 | 1 | – |
| 2013 | KuPS | Veikkausliiga | 26 | 2 | 0 | 8 | 2 | – |
| Total | 369 | 28 | 1 | 75 | 7 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| - | PAOK | Al Diriyah | Free agent | |
| - | Besiktas | PAOK | Free agent | |
| 02 Sept 2023 | Sampdoria | Besiktas | Transfer | |
| 07 Jan 2018 | Genk | Sampdoria | Transfer | |
| - | Djurgarden | Genk | Transfer | |
| 01 Jan 2015 | KuPS | Djurgarden | Free agent | |
| - | Real Banjul | KuPS | Free agent | |
| 01 Jan 2012 | Wallidan | Real Banjul | Free agent |
O. Colley career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.