Unbeaten WBC female silver light flyweight beltholder “Superbad” Seniesa Estrada (17-0, 7 KOs) won by fourth round TKO over Gretchen “Chen Chen” Abaniel (18-11, 6 KOs) on Thursday night at the Avalon in Hollywood, California. Abaniel quit on her stool after the end of round four.

Super bantamweight Azat “Crazy A” Hovhannisyan (17-3, 14 KOs) punished Glen Porras (32-9, 20 KOs) until their bout was stopped in round four. Time was 2:08. No knockdowns.

Unbeaten bantamweight southpaw Carlos “Purin” Caraballo moved to 12-0 with 12 KOs after a second round annihilation of Esteban Aquino (12-7, 7 KOs). A straight left to the jaw put Aquino down for the count. Time was 1:52.

Lightweight Cesar Valenzuela (15-6-1, 5 KOs) won an eight round unanimous decision over the once-promising Christian “Chimpa” Gonzalez (19-4, 15 KOs). Scores were 79-73 across the board.

Pro-debuting 2016 Olympic silver medalist Bektimir Melikuziev (1-0, 1 KO) scored a first round KO over journeyman Martin Rios (23-20-4, 13 KOs).