UFC middleweights Brendan Allen and Chris Curtis are scheduled to square off in a rematch in the main event of UFC Vegas 90. The Fight Night card will take place this weekend at the Apex facility in Las Vegas, Nevada. View this post on Instagram Instagram PostThe official weigh-ins for the upcoming event took place on Friday, April 5, at the UFC Apex. Curtis was the first fighter to step on the scale, weighing in at 186 pounds. Allen followed suit, matching his weight, with both fighters meeting the permitted limit for their non-title middleweight bout. View this post on Instagram Instagram PostIn the co-main event of UFC Vegas 90, Alexander Hernandez is scheduled to take on Damon Jackson in a featherweight clash. Jackson hit the scales at 146 pounds. However, currently, there's some ambiguity regarding whether the fight will proceed as planned or be called off due to Hernandez's failure to make weight. 'The Great Ape' tipped the scales at 150 pounds, exceeding the featherweight limit by four pounds.The fight card will stream live on ESPN+ and UFC Fight Pass, beginning at 3:00 PM ET/ 12:00 PM PT on Saturday, April 6, for viewers in the United States. For fans in the United Kingdom, the event is slated to kick off at 7 PM GMT on the same day.The main card of UFC Vegas 90 is anticipated to commence around 6 PM ET/3 PM PT for US viewers, with a start time of 10 PM GMT for fans in the UK.Complete results for UFC Vegas 90: Brendan Allen vs. Chris Curtis 2 weigh-insBrendan Allen (186) vs. Chris Curtis (186): middleweightAlexander Hernandez* (150) vs. Damon Jackson (146): featherweightMorgan Charriere (145) vs. Chepe Mariscal (145.5): featherweightIgnacio Bahamondes (156) vs. Christos Giagos (156): lightweightValter Walker (264) vs. Lukasz Brzeski (236): heavyweightTrevor Peek (155.5) vs. Charlie Campbell (155): lightweightCourt McGee (170.5) vs. Alex Morono (171): welterweightNorma Dumont (136) vs. Germaine de Randamie (135): women's bantamweightPedro Falcao (136) vs. Victor Hugo (135.5): bantamweightPiera Rodriguez (116) vs. Cynthia Calvillo** (119): strawweightDan Argueta (136) vs. Jean Matsumoto (136): bantamweightDylan Budka (185.5) vs. Cesar Almeida (185.5): middleweightMelissa Mullins*** (138) vs. Nora Cornolle**** (138.5): women's bantamweight*Hernandez exceeded the featherweight limit by four pounds**Calvillo surpassed the strawweight limit by three pounds***Mullins exceeded the bantamweight limit by two pounds****Cornolle exceeded the bantamweight limit by two and a half pounds