Who held the WBA (Regular) super featherweight title from 2016 to 2017 after defeating  a Dominican professional boxer in the Super Featherweight division and a one-time WBA (Regular) Super Featherweight Champion?
Jason Sosa: Jason Sosa (born March 10, 1988) is an American professional boxer of Puerto Rican descent, who held the WBA (Regular) super featherweight title from 2016 to 2017.
i don't know