| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Derry City | Premier Division | 9 | 1 | 0 | 1 | 0 | 6.8 |
| 2025 | Waterford | Premier Division | 15 | 1 | 0 | 2 | 0 | 6.6 |
| 2023/2024 | Cheltenham | League One | 11 | 0 | 0 | 0 | 1 | 6.4 |
| 2022/2023 | Cheltenham | League One | 26 | 1 | 3 | 0 | 0 | 6.5 |
| 2022/2023 | Arsenal U21 | Premier League 2 | 4 | 2 | 4 | 0 | 0 | – |
| 2021/2022 | Arsenal U23 | Premier League 2 | 13 | 0 | 0 | 0 | 0 | – |
| 2020/2021 | Southend | League Two | 20 | 2 | 0 | 2 | 0 | 6.6 |
| 2020/2021 | Arsenal U23 | Premier League 2 | 4 | 1 | 0 | 0 | 0 | – |
| 2019/2020 | Northampton | League Two | 1 | 0 | 0 | 0 | 0 | 7.2 |
| 2019/2020 | Arsenal U23 | Premier League 2 | 6 | 1 | 1 | 0 | 0 | – |
| 2018/2019 | Arsenal U18 | Premier League U18 | 1 | 1 | 0 | 0 | 0 | – |
| 2018/2019 | Arsenal U23 | Premier League 2 | 13 | 0 | 0 | 0 | 0 | – |
| Total | 123 | 10 | 8 | 5 | 1 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 01 ene 2026 | Waterford | Derry City | Free agent | |
| 01 ene 2025 | Cheltenham | Waterford | Free agent | |
| 09 ene 2022 | Arsenal | Cheltenham | Transfer | |
| - | Southend | Arsenal | Return from loan | |
| - | Arsenal | Southend | Loan | |
| - | Northampton | Arsenal | Return from loan | |
| - | Arsenal | Northampton | Loan |
J. Olayinka career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.