Undefeated women's middleweight world champions Claressa Shields, left, and Christina Hammer, right, face-down each other during a press conference to preview their upcoming fight, Tuesday February 26, 2019, in New York. Shields and Hammer will showdown for the undisputed women's middleweight world championship in a unification bout on Saturday, April 13 in Atlantic City, N.J. (Photo by Bebeto Matthews/AP Photo)
