Date: April 6, 2013

WBO Flyweight Championship Title Bout

Location: Macao S.A.R., China

Promoter:  Bob Arum (Top Rank)

Referee:  Genaro Rodriguez

Judges:  Levi Martinez (115-113), Michael Pernick (111-116), Francisco Martinez (111-117)

Supervisor:  Francisco Valcárcel, Esq.

Results:  Brian Viloria (32-4) lost his title in a 12-round split decision against Juan Francisco Estrada (23-2), new WBO Champion.