All 26 fighters competing in Saturday's bouts will weigh in early Friday morning in Las Vegas for the official UFC 303 weigh-ins. Watch MMA Fighting's live stream of the official weigh-ins above.
In the main event, UFC light heavyweight champion Alex Pereira will rematch Jiri Prochazka at UFC 295. Pereira defeated Prochazka by TKO to win the vacant title, and both fighters will be required to fight at 205 pounds for the title.
In the co-main event, two-time featherweight title challengers Brian Ortega and Diego Lopez will have to step on the scales at 156 pounds or less for a non-title lightweight showdown.
The official weigh-in video for UFC 303 will be released at 12pm ET.
The UFC 303 weigh-in ceremony video will be available at 8pm ET.
Check out the UFC 303 weigh-in results below.
Main Card (ESPN+ pay-per-view, 10 p.m. ET)
Alex Pereira (204.5) vs. Jiri Prochazka
Brian Ortega (155) vs. Diego Lopez (155) (changed to lightweight)
Mayra Bueno Silva (136) vs. Macy Chiasson (135.5)
Anthony Smith vs. Roman Dolidze (205)
Ian Machado-Garry vs. Michael Page (171)
Prelims card (ESPN, ESPN+, 8 p.m. ET)
Charles Jourdan (146) vs. Jean Silva
Joe Peifer (185.5) vs. Marc-Andre Barrio (185)
Cub Swanson (146) vs. Andre Fili (145.5)
Peyton Talbot vs. Giannis Ghemmouri (136)
Early qualifying card (ESPN, ESPN+, 6 p.m. ET)
Michelle Waterson-Gomez (115) vs. Gillian Robertson (116)
Andrei Arlovski (245) vs. Martin Budai (264.5)
Rei Tsuruta (125.5) vs. Carlos Hernandez (125)
Ricky Simon (136) vs. Vinicius Oliveira (136)
