| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2024/2025 | Degerfors | Svenska Cupen | 0 | 0 | 0 | 0 | 0 | – |
| 2023/2024 | Degerfors | Svenska Cupen | 4 | 0 | 0 | 1 | 0 | – |
| 2021/2022 | Panaitolikos | Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | Örebro | Svenska Cupen | 1 | 0 | 0 | 0 | 0 | – |
| 2020/2021 | Örebro | Svenska Cupen | 4 | 1 | 0 | 1 | 0 | – |
| 2019/2020 | Örebro | Svenska Cupen | 2 | 0 | 0 | 0 | 0 | – |
| 2018/2019 | Örebro | Svenska Cupen | 2 | 0 | 0 | 0 | 0 | – |
| 2017/2018 | Örebro | Svenska Cupen | 3 | 0 | 0 | 2 | 0 | – |
| 2016/2017 | Örebro | Svenska Cupen | 3 | 1 | 0 | 0 | 0 | – |
| 2016/2017 | Helsingborg | Svenska Cupen | 0 | 0 | 0 | 0 | 0 | – |
| 2015/2016 | Helsingborg | Svenska Cupen | 4 | 0 | 0 | 1 | 0 | – |
| 2014/2015 | Helsingborg | Svenska Cupen | 5 | 0 | 0 | 0 | 0 | – |
| 2013/2014 | Utrecht | KNVB Beker | 1 | 0 | 0 | 0 | 0 | – |
| 2011/2012 | Utrecht | KNVB Beker | 1 | 0 | 0 | 1 | 0 | – |
| 2011 | GAIS | Svenska Cupen | 2 | 1 | 0 | 0 | 0 | – |
| 2010 | GAIS | Svenska Cupen | 1 | 0 | 0 | 1 | 0 | – |
| Total | 35 | 3 | 0 | 7 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 07 jul 2023 | Panaitolikos | Degerfors | Free | |
| 01 ene 2022 | Örebro | Panaitolikos | Free | |
| 01 sept 2017 | Helsingborg | Örebro | N/A | |
| - | Utrecht | Helsingborg | Free | |
| 07 sept 2011 | GAIS | Utrecht | € 1.1M | |
| - | GAIS | Skövde | Loan |
J. Mårtensson career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.