Date: November 17, 2012

WBO Flyweight Championship Unification Title Bout

Location: Sport Arena, Los Angeles, California, USA

Promoter: Top Rank/ Promociones Zanfer

Supervisor: Richard De Cuir

Referee: Davis Mendoza

Judges: Jonathan Davis, David Denkin, Levi Martinez

Result: Viloria won by TKO on the 10th round. Marquez was down in the 1st, 5th and 10th rounds.