The women’s middleweight world championship between unified WBC and WBO titlist Christina Hammer and former world champion Tori Nelson has been added to the June 22 SHOWTIME telecast from Masonic Temple in Detroit.
In the main event, two-time Olympic Gold Medalist and unified 168-pound champion Claressa Shields will attempt to become a two-division champion when she faces unified 154-pound titleholder Hanna Gabriels for the vacant IBF and WBA Middleweight World Championships.