UFC Fight Night 164: Błachowicz vs. Jacaré was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on November 16, 2019 at Ginásio do Ibirapuera in São Paulo, Brazil. A light heavyweight bout between former KSW Light Heavyweight Champion Jan Błachowicz and former Strikeforce Middleweight Champion Ronaldo Souza served as the event headliner.
Professional mixed martial artist competing in the UFC Bantamweight division.