Ponce de Leon has won world titles in the junior featherweight and featherweight divisions while establishing himself as one of boxing 's most popular knockout artists .
Ponce de Leon won the title in 2012 with a victory over then - champion Jhonny Gonzalez .
Ponce de Leon , who won the title in 2012 with a victory over then - champion Jhonny Gonzalez , has won world titles in the junior featherweight and featherweight divisions while establishing himself as one of boxing 's most popular knockout artists .