Posted on April 14, 2019April 14, 2019 by ringgngrdio2018Shields vs Hammer Highlights View this post on Instagram Shields nails the Hammer. #AndTheNew UNDISPUTED female middleweight champion OF THE WORLD. A post shared by SHOWTIME Boxing (@showtimeboxing) on Apr 13, 2019 at 8:42pm PDT Shields solidified her claim as the GWOAT with her dominating performance over Hammer.