![Professional Boxing World Champion Christina Hammer arrived from Germany to New York to learn basics of Russian and Kazakhstan boxing technique from Russian trainer Michael “Coach Mike' Kozlowski. | BoxingCoachMike | Win Professional Boxing World Champion Christina Hammer arrived from Germany to New York to learn basics of Russian and Kazakhstan boxing technique from Russian trainer Michael “Coach Mike' Kozlowski. | BoxingCoachMike | Win](http://boxingcoachmike.com/wp-content/uploads/2016/01/Christina11.jpg)
Professional Boxing World Champion Christina Hammer arrived from Germany to New York to learn basics of Russian and Kazakhstan boxing technique from Russian trainer Michael “Coach Mike' Kozlowski. | BoxingCoachMike | Win
World Boxing Council - Christina Hammer is really confident she'll become the one and only Queen of the middleweight Division. #WBC #ConquerEverything #Boxing | Facebook
![Christina Hammer wants Claressa Shields fight: 'She's not a role model for the sport like I am' - The Ring Christina Hammer wants Claressa Shields fight: 'She's not a role model for the sport like I am' - The Ring](https://www.ringtv.com/wp-content/uploads/2017/09/dec17_hammer_AP_17217170682796.jpg)
Christina Hammer wants Claressa Shields fight: 'She's not a role model for the sport like I am' - The Ring
![Claressa Shields outpoints Christina Hammer to unify middleweight championship – as it happened | Boxing | The Guardian Claressa Shields outpoints Christina Hammer to unify middleweight championship – as it happened | Boxing | The Guardian](https://i.guim.co.uk/img/media/71d90eb64d4a0d46623115a4f47763d166416e55/0_150_3426_2056/master/3426.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=359e896327b8742fcfdf3ad4b5937c78)