He has been an MMA coach since the age of 20. At age 13, he began practicing martial arts such Taekwondo, Kick-Boxing, wrestling, and Sumo. In 2017, he became the coach of the Polish MMA international team. His students take part in professional galas, e.g.: UFC, KSW, FEN or Babilon. Płaza runs the Elita Gym club in Łęczna and works as a coach at the Górnik Łęczna MMA division.