Date of Birth: 
Place of Birth: Gdynia, Pomeranian Voivodeship, Poland
About Piotr Hallmann
- Piotr Hallmann (born 25 August 1987 in Gdynia) is a Polish mixed martial artist and second lieutenant in the Polish Navy.
- Hallmann has fought as a lightweight throughout his MMA career, and competed for the Ultimate Fighting Championship. He is currently fights in the lightweight division of the Absolute Championship Berkut.
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