WilliamMatthiessen
- Pittsburgh PiratesPirates
- #34
- First Baseman1B
- HT/WT1.98 m, 104 kg
- Birthdate9/1/1998 (28)
- BAT/THRRight/Right
- HT/WT1.98 m, 104 kg
- Birthdate9/1/1998 (28)
- BAT/THRRight/Right
- BirthplaceTualatin, OR
- StatusMinors
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