Sergio Mendoza Cordova Stopped Ricardo Sandoval in Chicago
Mendoza claimed unified flyweight titles after dropping Sandoval three times at the Wintrust Arena.
Updated on Oct. 11, 2026 in Boxing
Sergio Mendoza Cordova secured a fifth-round stoppage victory over Ricardo Sandoval at the Wintrust Arena. The win earned Mendoza the unified WBA and WBC flyweight titles.
Why it matters
The outcome marks a major shift in the flyweight division as Mendoza claims dual championships. Mendoza managed to reclaim his momentum following a challenging knockout loss earlier this year.
Mendoza dropped Sandoval three times throughout the contest, ultimately forcing the referee to stop the fight in the fifth round. This performance brings Mendoza to 28 career wins, while Sandoval falls to 27-3.
The players
Sergio Mendoza Cordova
He is a professional boxer who now holds the unified WBA and WBC flyweight titles.
Ricardo Sandoval
He is a professional boxer who previously held unified flyweight titles after a win in Japan.
Thanongsak Simsri
He is a professional boxer who handed Sergio Mendoza his only career loss in April 2026.
The details
Despite suffering a knockdown from Sandoval in the second round, Mendoza rallied to dominate the bout. The referee intervened in the fifth round to end the match after Mendoza landed three distinct knockdowns against his opponent.
Timeline
July 2025: Ricardo Sandoval won his unified flyweight titles in Japan.
April 2026: Sergio Mendoza suffered a knockout loss to Thanongsak Simsri.
October 10, 2026: Sergio Mendoza defeated Ricardo Sandoval in Chicago.
Season Trajectory
This bout significantly alters the flyweight landscape by consolidating the WBA and WBC belts under one fighter. The loss forces Ricardo Sandoval to reconsider his path to title contention following his tenure as champion.
The fifth-round stoppage guarantees Mendoza hold of both the WBA and WBC belts moving into the next season. Ricardo Sandoval now faces a significant rebuild period as he looks to recover from this title loss.
The takeaway
Mendoza's recovery from a second-round knockdown highlights the importance of resilience in high-stakes boxing. Spectators should note that even dominant champions face shifts in career momentum following sudden knockout defeats.
Further reading
For more analysis on the current championship landscape, visit Boxing.
