Ricardo “Dinamita” Alvarez of Mexico will square off with Humberto Martinez (27-7-1, 21 KOs) of Colombia in the super lightweight main event Saturday from Jalisco, Mexico (on Fox Deportes at 7 p.m. Pacific time).

Alvarez (21-2-3, 13 KOs) is the brother of former champion Saul “Canelo” Alvarez. Another brother, Rigoberto, is a former interim champion.