Answer
Yes, Jan Błachowicz is the first male Polish champion in UFC history. He won the UFC Light Heavyweight Championship on September 21, 2019, when he defeated Dominick Reyes by unanimous decision at UFC 245. Błachowicz is a former KSW Light Heavyweight Champion and has also competed in the M-1 Global and ACB promotions. He is known for his powerful striking and has been nicknamed "The Polish Powerhouse".