Christina Hammer
Height, Weight, Size, Body Measurements, Biography, Wiki, Age

Christina Hammer (born August 16, 1990 in Nowodolinka, Kazakh SSR) is an undefeated German boxer World Champion. She grew up in Sontra and lives and trains in Dortmund.

Five times world boxing champion Christina Hammer started at age 15 with the sport of boxing. She was trained by Robert Staar. At the age of 16 she was German Junior Champion and soon joined the professional coach Dimitri Kirnos in Dortmund in the professional business.

On 12 September 2009 she started her professional career with a fight against Melisa Koktar. In 2010, she was, at age 20, the youngest WBO world champion, winning against Teresa Perozzi in Riesa. After her WBO title, Hammer won the WBF title on February 18, 2011 against Diana Kiss. Hammer defended on 27 May 2011 the WBO WBF title against the Swede Maria Lindberg in 10 rounds. On 26 July 2014, she won the WBO light middleweight title against Anne Sophie Mathis by disqualification, but the result later changed to No Contest.