Mark Brown/Getty Images Women's boxing is divided between 17 weight classes, from heavyweight to atomweight. The four major sanctioning bodies, WBO, IBF, WBA and WBC have champions in most of the ...

Mark Brown/Getty Images Women's boxing is divided between 17 weight classes, from heavyweight to atomweight. The four major sanctioning bodies, WBO, IBF, WBA and WBC have champions in most of the ...

But Abel Sanchez, an accomplished retired boxing trainer, is among those dimissing the idea of Shields fighting Paul -- or men fighting women. "I think that (the) women's boxing movement is set ...