Boxing’s most active world champion, Navarrete defended his title five times (all by KO) in nine months, most recently knocking out Jeo Santisima on the Wilder-Fury 2 Pay-Per-View undercard. Navarrete is fighting as a featherweight for the first time in nearly three years in what will be his sixth bout in 13 months. Lopez has a 2016 knockout victory over longtime Japanese contender Ryo Matsumoto.