William Zepeda W12 Joseph Diaz Jr. ... Lightweight contender William “El Camarón” Zepeda maintained his undefeated record by defeating former 130-pound champion Joseph “JoJo” Díaz Jr. by unanimous decision at the Pechanga Arena in San Diego, California. Despite Diaz’s extensive experience, Zepeda dominated the fight, unleashing power shots, en route to a lopsided victory of 119-109 (twice) and 118-110 on the judges' scorecards. Compubox credited Zepeda with an incredible 1536 punches thrown over the twelve rounds, a lightweight record breaking breaking Efren Hinohosa's previous record of 1507. With this victory, Díaz improved his record to 27-0, with 23 knockouts, while Díaz falls to 32-3-1 with 15 knockouts.