Brook Sibrian hands Lupita Medina first pro loss in Temecula
Brook Sibrian beat unbeaten prospect Lupita Medina by unanimous decision Aug. 21 at Pechanga Resort Casino in Temecula, California, on the MVP x TikTok LIVE event. The win lifted Sibrian’s profile in the minimumweight division and prompted her team to seek a major jump in the world rankings.
Why it matters: - Brook Sibrian’s win over Lupita Medina ended Medina’s perfect record and added a ranked, undefeated opponent to Sibrian’s résumé. - The victory strengthened Sibrian’s case for a bigger world-ranking position in the 105-pound minimumweight division. - The MVP x TikTok LIVE card drew 1.2 million viewers on TikTok LIVE, giving the bout a large digital audience.
What happened: - Sibrian defeated Medina by unanimous decision in an eight-round minimumweight bout Aug. 21, 2026, at Pechanga Resort Casino in Temecula, California. - The judges scored the fight 77–75, 78–74 and 78–74. - Medina entered the bout 12–0 with three knockouts and was making her debut on the MVP platform. - Sibrian improved to 10–3 with four knockouts.
The details: - Sibrian controlled the action with steady pressure, high-volume combinations and power punching to the body and head. - Medina never found a consistent rhythm against Sibrian’s pace. - Sibrian was ranked No. 7 by both the WBA and WBO and No. 13 by the WBC at the time of the fight. - Sibrian’s team has formally asked the major sanctioning bodies to consider a major jump in the world rankings, including possible top-two placement and, where applicable, the position Medina had held. - Jose “Mega” Soto, Sibrian’s co-manager and trainer, said the team wants Sibrian’s résumé evaluated on its merits and believes the result should be reflected in the rankings.
Between the lines: - The win positions Sibrian as a live contender in a division where one statement performance can reshape the title picture quickly. - The digital reach of the event raises Sibrian’s visibility beyond traditional boxing audiences. - Sibrian’s background at Lee Espinoza Coachella Valley Boxing Club and her amateur success give the win added credibility in a crowded contender pool. - Sibrian was a two-time USA Boxing national champion before turning pro in 2023. - Sibrian won the WBC International Light Flyweight Championship in 2025. - Sibrian also volunteers at Lee Espinoza Coachella Valley Boxing Club with Soto, mentoring young boxers.
What's next: - Sibrian said she wants the biggest fights and hopes to keep moving toward a world championship. - Sibrian’s team will press for upward movement in the sanctioning-body rankings after the Medina win. - The result could open the door to higher-profile opportunities in the minimumweight division.
The bottom line: - Sibrian turned a high-profile matchup into a rankings case and a career-defining win.
Disclaimer: This article was produced by AGP Wire with the assistance of artificial intelligence based on original source content and has been refined to improve clarity, structure, and readability. This content is provided on an “as is” basis. While care has been taken in its preparation, it may contain inaccuracies or omissions, and readers should consult the original source and independently verify key information where appropriate. This content is for informational purposes only and does not constitute legal, financial, investment, or other professional advice.
Sign up for:
World Job Seeker
The daily local news briefing you can trust. Every day. Subscribe now.
Check Your Email!
We sent a one-time activation link to: .
Confirm it's you by clicking the email link.
If the email is not in your inbox, check spam or try again.
Welcome back!
is already signed up. Check your inbox for updates.