UFC Fight Night 104: Bermudez vs. The Korean Zombie was a mixed martial arts event held by the Ultimate Fighting Championship on February 4, 2017, at the Toyota Center in Houston, Texas. A featherweight bout between Dennis Bermudez and former UFC Featherweight Championship challenger Chan Sung Jung served as the event headliner. This was Jung's first bout since August 2013, as he returned from military service.

• Action