Career
NABF Featherweight Championship
He was defeated by Guerrero in a rematch by 6th round knockout. WBC Featherweight Championship fight
WBC Super Featherweight Championship
The bout was at the Auditorio Centenario in Torreón, Coahuila, Mexico.
NABF Featherweight Championship
He was defeated by Guerrero in a rematch by 6th round knockout. WBC Featherweight Championship fight
WBC Super Featherweight Championship
The bout was at the Auditorio Centenario in Torreón, Coahuila, Mexico.
He is also the former NABF Featherweight, WBC Continental Americas Lightweight, and is the current WBC CABOFE Super Featherweight Champion. In December 2005, Díaz upset the undefeated Mexican American future champion, Robert Guerrero, to win the NABF Featherweight Championship. He defeated future champion Elio Rojas by split decision, handing the Dominican fighter his first loss, in a WBC Featherweight Title Eliminator. On December 15, 2007, he faced WBC Featherweight champion Jorge Linares, but was defeated by 8th round knockout. On October 11, 2008 Gamaliel lost to Interim WBC Super Featherweight Champion, Mexican Humberto Soto. After scoring 13 consecutive victories, Diaz challenged WBC Super Featherweight champion Takahiro Ao in his hometown of Tokyo, Japan, on December 27, 2012. As an underdog, he defeated the Japanese champion in a 12 round unanimous decision to claim the title.