Jan Maciej Błachowicz is a Polish professional mixed martial artist. He is currently competing in the Light Heavyweight division for the Ultimate Fighting Championship, born in February 24, 1983 at Cieszyn, Poland. His UFC second name is John 

Jan Blachowicz start his Ultimate Fight Championship career on Sun, 5 Oct 2014 that was the UFC Fight Night 53: Nelson vs. Story event of Light Heavyweight Division against Ilir Latifi at Ericsson Globe Stockholm, Sweden. In result Jan Blachowicz successfully won this fight by KO/TKO · R1 01:58 and open the door for himself next UFC challenge.

As of March 9, 2021, he is 8th in the UFC men’s pound-for-pound rankings

UFC light heavyweight champion Jan Blachowicz takes us through some of the defining moments from his career with the promotion ahead of UFC 259 on Saturday, March 6.

UFC event Israel Adesanya vs Jan blachowicz is consider to be best of his UFC career. Before this UFC 259 Main Card event, Israel Adesanya was balancing his career as undefeated but Jan Blachowicz stop his winning journey.

It was evening of March 7 , 2021 at UFC APEX Las Vegas Unites states, when Adesanya and Jan Bloshowicz face to face in octagon. Jan Blachowicz win this fight by significant strikes 55% and 60% take Down.By this fight Jan Blachowicz got a lot of fame and introduce him as killer of undefeated.