Saturday, December 13, 2025, in Los Angeles, the rematch between Brook “Mighty” Sibrian and Gloria Munguilla will take place: the two light flyweights return to the ring for the second chapter of their rivalry, this time with the vacant World Boxing Council (WBC) International belt on the line. The match will close the evening of the “CMH 2: Rematch Season” event, which will have Badou Jack vs Noel Mikaelian 2 as the main event.
The first meeting between Sibrian and Munguilla took place on January 17, 2025 and saw Munguilla prevail on points by unanimous decision after eight intense rounds. A clear verdict on the scorecards, but not one that extinguished interest around the matchup: in fact, it was precisely that bout that generated momentum for a rematch with higher stakes.
On a personal level, Gloria Munguilla, 33 years old, arrives at the rematch with a record of 8 wins and 2 losses, built mostly on wins by decision. Her last five outings show a solid path: 3 wins and 2 losses, with a consistent performance in the middle rounds and high endurance over the distance.
Brook “Mighty” Sibrian, 32 years old, presents a similar profile: 8 wins and 2 losses, with 4 KOs to her name. In her last five fights she collected 4 wins and 1 single loss — that very loss to Munguilla — showing increasing aggression and an improved ability to maintain a high punch volume without fading in the final rounds.
What’s at stake and why it matters
On the line is the WBC International Light Flyweight (vacant) belt: this is not the absolute world title, but a belt with specific weight in a fighter’s pathway. Victory guarantees an immediate rise in the WBC ranking, greater visibility with promoters and broadcasters, and the possibility of being placed on more prestigious undercards. Winning an international title means positioning oneself on the map of credible challengers, opening the door to continental matches or opportunities in the direction of a world title. For both — with similar records and careers still consolidating — it is probably the most significant opportunity of their recent activity.
Why this rematch
The rematch finds space on the CMH 2 card precisely because the first fight left the sense of a duel still open. The decision to stage Sibrian vs Munguilla again in a prominent position and with a belt on the line indicates the organizers’ confidence in the rivalry’s potential to draw interest.
The event, hosted at Ace * Mission Studios in Los Angeles, combines sport and mental health awareness: a format in which the narrative of personal resilience becomes an integral part of the evening. In addition, pay-per-view distribution across multiple international platforms allows the rivalry to reach a wider audience, further enhancing what is at stake.
What to expect from the fight
Looking at the data, Munguilla appears as the fighter more inclined to tactical control: she manages tempo well, exploits distance and tends to accumulate points round after round. Her last five performances show good continuity and a resistance that rarely drops during the heated phases of the match.
Sibrian instead brings greater aggression: she has a higher KO ratio and, in her recent wins, has shown the ability to take the initiative and maintain a high punch output. In rematches, the fighter who lost the first encounter tends to bring important adjustments: it will be interesting to see to what extent Sibrian will modify her approach against an opponent who, historically, manages pacing well.
Useful info to follow the event
- Date: Saturday, December 13, 2025
- Venue: Ace * Mission Studios, 516 S Mission Road, Los Angeles, CA
- Event: CMH 2 – Rematch Season
- Main event: Badou Jack vs Noel Mikaelian 2
- Co-Main / Notable undercard: Brook Sibrian vs Gloria Munguilla – WBC International Light Flyweight (vacant)
- Schedule: Doors open in the afternoon, main card in the evening (local Pacific Time)
- Broadcast: Pay-per-view available on Amazon Prime Video, TrillerTV, PPV.com, Fubo
- Indicative PPV price (USA): 29.99 USD
- Theme of the evening: event dedicated to raising mental health awareness in the sports environment
- Public access: tickets available through local ticketing platforms with limited seating due to the venue’s reduced capacity
