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UFC Vegas 121 weigh-in results: Luis Hernandez seven pounds heavier than Sedriques Dumas for short-notice fight

Luis Hernandez will have a big weight advantage over Sedriques Dumas at UFC Vegas 121 on Saturday. On Saturday, Hernandez and Dumas face off in a featured light heavyweight bout at UFC Vegas 121. Originally, Dumas was supposed to fight…

By Jed Meshew · MMA Fighting

Published: Friday, 25 September 2026 at 5:55 PM

Key Things to Know

Luis Hernandez weighed in at 204 pounds, seven pounds heavier than opponent Sedriques Dumas at 197 pounds.
Hernandez replaced Mickey Gall on short notice, shifting the fight up to the light heavyweight division.
Main event bantamweights Raul Rosas Jr. and Raoni Barcelos successfully made weight at 136 and 135 pounds.

The Story in 60 Seconds

At the official weigh-ins for UFC Vegas 121 on Friday, Luis Hernandez weighed in at 204 pounds, seven pounds heavier than Sedriques Dumas, who registered 197 pounds. Hernandez stepped in on short notice after Mickey Gall withdrew on Thursday, shifting the contest from middleweight to a light heavyweight bout.

The main event between bantamweight contenders Raul Rosas Jr. and Raoni Barcelos was made official, with Rosas weighing 136 pounds and Barcelos hitting 135 pounds. Co-main event fighters Norma Dumont and Ailin Perez both successfully weighed in at 136 pounds, while John Castaneda needed two attempts to make the bantamweight limit.

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UFC Vegas 121 weigh-in results: Luis Hernandez seven pounds heavier than Sedriques Dumas for short-notice fight

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