The 24-year-old Claressa Shields (9-0; 2 KO) has an unmatched career. The American lady has been extremely successful as an amateur, with her 77-1 balance among others being a double Olympic gold medalist and a double world champion. After the second Olympic gold medal, he stood for a pro in the fall of 2016 and has been successfully moving forward since then.
Shields has already won the World Championship title among two pros and has been the undisputed champion of the middleweight in just nine professional matches. Already in 2017, there were two major organizations (IBF / WBC) with a high-ranking world champion. Then, in 2018, he retired from a weight group and scored 4 (!) Matches for each of the four big organizations. Last year, he won his IBF / WBC / WBA and last night WBO World Championship WBC and also WBC Diamond Belt.
Last night the German Christina Hammer (24-1; 11 KO) won a unanimous scoring and took her WBO.