World Boxing Federation (WBF) Women’s World Middleweight Champion Christina Hammer had no problems dealing with durable, but outclassed, challenger Yahaira Hernandez on Friday September 7 in Muelheim, Germany.
Results: Claressa Shields Wins IBF And WBA World Titles; Christina Hammer beats Nelson
Claressa Shields became a two-division world champion, and Christina Hammer retained her two world title belts as both scored unanimous decision victories on Friday night on SHOWTIME BOXING: SPECIAL EDITION from the Masonic Temple in Detroit, Mich.