Christina Hammer

German-born Christina Hammer has built a remarkable career as a professional boxer. She began boxing professionally in 2007 and has claimed multiple world championships across two weight classes. Hammer holds the distinction of being the youngest boxer to win a WBO world title, capturing the WBO female middleweight belt in 2010. She later added the WBC title and a WBO super-middleweight title, solidifying her status as one of the sport's top competitors. Her career includes a notable challenge for the undisputed middleweight championship against Claressa Shields in 2019. Born in Kazakhstan and of German descent, Hammer emigrated with her family to Germany at a young age. She stands 5'11" with an athletic build, and she has brown hair and blue eyes. With nearly two decades of experience, she remains a prominent figure in women's boxing.