John Riel Casimero

Paul Butler has been elevated to WBO world bantamweight champion after the sanctioning body voted unanimously to strip the title holder. 

John Riel Casimero criticised Guillermo Rigondeaux after 'boring' fight

Guillermo Rigondeaux vs John Riel Casimero final press conference quotes

Training camp quotes from WBO bantamweight champ John Riel Casimero

Jermall Charlo defeated Sergiy Derevyanchenko while Jermell Charlo secured a superb stoppage against Jeison Rosario on Saturday night

Jermall Charlo ready to show he is 'best in the world' against 'belt chasing' Sergiy Derevyanchenko on Saturday night PPV double header

Naoya Inoue is reportedly about to jump straight into another bantamweight world title unification in his next fight.

Manny Pacquiao wishes John Riel Casimero good luck in world title bid against Zolani Tete