Joona Tamminen signs extension with Ketterä
Joona Tamminen has signed a contract extension with 
Ketterä, confirmed on 12/20/2025.
Ketterä, confirmed on 12/20/2025.Transaction Data
Player Facts
- Name
- Joona Tamminen
- Date of Birth
- Jun 10, 2000
- Age
- 25
- Place of Birth
- Lohja, FIN
- Nation
- Position
- D
- Height
- 178 cm / 5'10"
- Weight
- 79 kg / 174 lbs
- Shoots
- L
- Contract
- 25/26
Joona Tamminen Statistics - Latest Seasons