Check out some of the UFC 291 fighter match-ups as they step on the scale and then square off for the crowd at the Ceremonial Weigh-ins in Utah. UFC 291 headliners Dustin Poirier and Justin Gaethje faced off for the final time before their fight at the Delta Center in Salt Lake City, Utah. As did, former light heavyweight champ Jan Blachowicz, who welcomes former middleweight titleholder Alex Pereira to the 205-pound division.  UFC 291 Ceremonial Weigh-in: Dustin Poirier vs. Justin Gaethje UFC 291 Ceremonial Weigh-in: Jan Blachowicz vs