| Temporada | Liga | PJ | Min | Goles | Asistencias | G+A / 90 | Valoración |
|---|---|---|---|---|---|---|---|
| 2013/2014 | Enterprise National League (Inglaterra) | 21 | — | 3 | 0 | — | — |
| 2014/2015 | League One (Inglaterra) | 1 | 518 | 0 | 2 | 0.35 | — |
| 2015/2016 | League One (Inglaterra) | 19 | 1183 | 0 | 4 | 0.3 | — |
| 2016/2017 | League Two (Inglaterra) | 19 | — | 1 | 0 | — | — |
| 2017/2018 | League Two (Inglaterra) | 17 | 413 | 1 | 0 | 0.22 | — |
| 2018/2019 | Premiership | 11 | 585 | 0 | 1 | 0.15 | — |
| 2018/2019 | League One (Inglaterra) | 13 | 460 | 0 | 0 | 0 | — |
| 2019/2020 | League Two (Inglaterra) | 34 | 2532 | 3 | 4 | 0.25 | 6.9 |
| 2020/2021 | League Two (Inglaterra) | 39 | 2911 | 4 | 6 | 0.31 | 7.15 |
| 2021/2022 | League One (Inglaterra) | 25 | 1265 | 2 | 1 | 0.21 | 6.94 |
| 2022 | Premier Division | 8 | 429 | 1 | 0 | 0.21 | — |
| 2023 | Premier Division | 19 | 279 | 1 | 0 | 0.32 | 6.73 |
| 2024 | Premier Division | 24 | 1003 | 1 | 0 | 0.09 | 6.82 |
| 2025 | Premier Division | 12 | 319 | 0 | 0 | 0 | 6.72 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Cifras calculadas a partir de la base de estadísticas por temporada de GioScore · a fecha de 2026-07-23
Estadísticas del jugador contra cada club rival
| Equipo | PJ | V | E | D | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Newport County | 10 | 3 | 3 | 4 | 1 | 0 | 2 | 0 |
 Exeter City | 10 | 3 | 3 | 4 | 3 | 0 | 1 | 0 |
 Oldham Athletic | 8 | 6 | 0 | 2 | 0 | 0 | 0 | 0 |
 Port Vale | 8 | 4 | 0 | 4 | 1 | 0 | 2 | 0 |
 Cheltenham Town | 8 | 3 | 3 | 2 | 0 | 1 | 0 | 0 |
 Derry City | 8 | 2 | 3 | 3 | 0 | 0 | 0 | 0 |
 Crewe Alexandra | 7 | 3 | 2 | 2 | 0 | 0 | 1 | 0 |
 Mansfield Town | 7 | 1 | 3 | 3 | 0 | 0 | 1 | 0 |
 Cambridge United | 7 | 1 | 1 | 5 | 0 | 0 | 0 | 0 |
 Gillingham | 7 | 3 | 2 | 2 | 0 | 0 | 0 | 0 |
 Stevenage | 7 | 0 | 4 | 3 | 0 | 1 | 0 | 0 |
 Portsmouth | 6 | 3 | 1 | 2 | 1 | 0 | 1 | 0 |
 Colchester United | 6 | 4 | 2 | 0 | 2 | 2 | 0 | 0 |
 Scunthorpe United | 6 | 3 | 1 | 2 | 0 | 2 | 0 | 0 |
 Plymouth Argyle | 6 | 2 | 0 | 4 | 0 | 0 | 1 | 0 |
 Bradford City | 6 | 1 | 2 | 3 | 1 | 0 | 1 | 0 |
 Wycombe Wanderers | 6 | 1 | 4 | 1 | 0 | 1 | 2 | 0 |
 Crawley Town | 6 | 1 | 4 | 1 | 0 | 0 | 0 | 0 |
 Leyton Orient | 6 | 3 | 1 | 2 | 0 | 0 | 0 | 0 |
 Carlisle United | 6 | 1 | 3 | 2 | 1 | 0 | 1 | 0 |
John O'Sullivan completó 12 partidos en la Premier Division 2025 (319 minutos) sin gol ni asistencia. La nota media de esa campaña se queda en 6.72 por partido.
En su mejor versión promedió 7.15 en 2020/2021, League Two (England); en la peor, 6.72 en 2025. La dirección reciente es a la baja: 0.16 bajo su media previa en las dos últimas temporadas valoradas.
