Overview
- Julio César Chávez Jr. defeated Jeison Troncoso by first-round knockout in Puebla, with multiple reports saying the bout ended at 2 minutes 59 seconds on Saturday, Sept. 12.
- The event was presented as a 'Pelea con Causa' and organizers said ticket proceeds will support construction and services for an addiction treatment center in Puebla.
- TV Azteca carried the free national broadcast on Azteca 7 and Azteca Deportes offered streaming, while local authorities confirmed the official weigh-in and logistics for the Gimnasio Miguel Hidalgo card.
- Chávez Jr. and Troncoso both weighed about 90 kilograms at the official scale, and the quick finish intensified discussion about the quality of opposition given Troncoso's 14-3 record and recent losses.
- The show reunited members of the Chávez family on the same bill and continued Chávez Jr.'s 2026 knockout run, a sequence he and promoters frame as part of a final push toward another world-title opportunity.