UFC Fight Night 145: Błachowicz vs. Santos(2019)

UFC Fight Night 145: Błachowicz vs. Santos was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on February 23, 2019 at O2 Arena in Prague, Czech Republic. A light heavyweight bout between former KSW Light Heavyweight Champion Jan Błachowicz and Thiago Santos served as the event headliner.