Luis Hernandez replaced Mickey Gall on the UFC Vegas 121 fight card this weekend after Gall was removed from the Las Vegas lineup. Hernandez steps in on short notice and is scheduled to meet Sedriques Dumas in the light heavyweight division.
Hernandez, a 30-year-old deputy with the Miami-Dade Sheriff’s Office, arrives fresh off a win on the Contender Series earlier this month at APEX. He owns an 8-0 MMA record, with all eight contests ending by knockout or submission, and he has not yet fought under the UFC banner.
UFC Vegas 121 lineup change
The switch came with the card already set for this weekend, leaving UFC Vegas 121 with a new pairing instead of the original Gall assignment. The change also pushed the bout to light heavyweight, a move tied to the short notice involved in making the fight.
For Hernandez, the placement gives him his first UFC booking after a rapid rise through the Contender Series. For Dumas, it keeps him on the card after his last appearance at UFC Vegas 116, where Jackson McVey submitted him and he fell to 10-5 with 1 NC.
Miami-Dade Sheriff’s Office deputy
Hernandez’s day job is part of why the matchup drew immediate attention. He works for the Miami-Dade Sheriff’s Office, while Dumas is a convicted felon, a pairing that spread quickly across social media once the booking changed.
Fans on social media accused matchmakers of purposely booking the fight because of those backgrounds. The reaction added an unusual layer to what began as a simple short-notice replacement and turned the fight into one of the most discussed additions to UFC Vegas 121.
UFC Vegas 116 to UFC Vegas 121
Dumas now gets a different opponent after his submission loss to Jackson McVey at UFC Vegas 116. Hernandez, meanwhile, gets the UFC opportunity that followed his Contender Series win at APEX earlier this month.
The fight now turns on the same practical issue that produced it: a late card change, a jump into the UFC, and a matchup that arrived with more scrutiny than a standard replacement bout.







