Oddiel Rodriguez
Manny Pacquiao.
Henry Armstrong was the only boxer to hold titles in three different weight classes at the same time: featherweight, lightweight, and welterweight.
Bob fitzsimmons
Oscar dela hoya with 6
1
Baby Jake matlala
Teófilo Stevenson
world titles in 7 divisions. including 3 ring magazine titles, and one other linear title (according to another publication)
tommy hearns
A boxer's target is mainly,to be the best in the world. Beat the best. Become the best,and win titles.
either hold titles in 3 weight classes or hold 3 titles from 3 different sanctioning bodys. for example hold a title for the WBO, WBC, IBF