

Matthew Sieman
#21 Union Thunder 18U AA / NJYHL 18U - 24/25
- Date of Birth
- August, 2006
- Age
- 20
- Place of Birth
- New Providence, NJ, USA
- Nation
- USA
- Youth Team
- -
- Position
- D
- Height
- -
- Weight
- -
- Shoots
- -
- Contract
- -


#21 Union Thunder 18U AA / NJYHL 18U - 24/25