On June 30, 2018, Gilberto Ramírez defeated Roamer Alexis Angulo by unanimous decision in a 12-round super middleweight bout for the WBO super middleweight title at Chesapeake Energy Arena in Oklahoma City, Oklahoma, USA. Ramírez used his jab, movement, and body punching to control most of the action, while Angulo had moments of success with his pressure and power, particularly in the third and seventh rounds. Despite Angulo’s determined effort, Ramírez retained his title by scores of 120–108, 119–109, and 119–109.