- Date of birth: 1992-05-23
- Position: Goalkeeper
- Height / Weight: 186 cm / 81 kg
- Birth place: Turku
- Nationality: Finland
- Contract until: -
Career history
Every club J. Koponen has played for, most recent first.| Season | Date | Left | Joined | Fee |
|---|---|---|---|---|
| 24/25 | Jul 18, 2024 | Free | ||
| 23/24 | Jan 1, 2024 | Free | ||
| 19/20 | Aug 9, 2019 | 
Palanga
|
Free | |
| 18/19 | Apr 5, 2019 |
Palanga
|
Free | |
| 16/17 | Jan 1, 2017 | Undisclosed | ||
| 14/15 | Jan 1, 2015 | Undisclosed | ||
| 11/12 | Haz 16, 2012 | Undisclosed |
Transfer summary
- Moves
- 7
- Clubs
- 6
- Free transfers
- 4
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