UFC Fight Night 137: Santos vs. Anders was a mixed martial arts event produced by the Ultimate Fighting Championship held on September 22, 2018 at Ginásio do Ibirapuera in São Paulo, Brazil. A light heavyweight bout between former UFC Light Heavyweight Championship challenger Glover Teixeira and Jimi Manuwa was expected to serve as the event headliner. However, Teixeira pulled out on August 14 due to a shoulder injury. He was replaced by Thiago Santos. In turn, Manuwa pulled out on September 16 due to a torn hamstring and was replaced by Eryk Anders.