On UFC 291 Embedded, Episode 6, the stars of UFC 291 hit the scales then face off once more for fans in Salt Lake City.  Dustin Poirier  and  Justin Gaethje  rematch for the BMF belt, plus Alex Pereira moves to light heavyweight to meet Jan Blachowicz and more. UFC 291 Embedded, Episode 6 UFC 291: Poirier vs. Gaethje takes place on Saturday, July 29, at the Delta Center in Salt Lake City. Lightweights Dustin Poirier and Justin Gaethje headline UFC 291 in a battle for the BMF belt, while Jan Blachowicz welcomes Alex Pereira to the light heavyweight division in the co-main event with both men hoping the next fight is for gold.