![Boxer Christina Hammer is seen during the official Weight-In in Brno Modrice, Czech Republic on April 4, 2012. (CTK Photo/Igor Sefr Stock Photo - Alamy Boxer Christina Hammer is seen during the official Weight-In in Brno Modrice, Czech Republic on April 4, 2012. (CTK Photo/Igor Sefr Stock Photo - Alamy](https://c8.alamy.com/comp/CAP6HC/boxer-christina-hammer-is-seen-during-the-official-weight-in-in-brno-CAP6HC.jpg)
Boxer Christina Hammer is seen during the official Weight-In in Brno Modrice, Czech Republic on April 4, 2012. (CTK Photo/Igor Sefr Stock Photo - Alamy
![Claressa Shields unifies middleweight titles, then calls out Savannah Marshall | Boxing | The Guardian Claressa Shields unifies middleweight titles, then calls out Savannah Marshall | Boxing | The Guardian](https://i.guim.co.uk/img/media/da95adb3edba93d2fdd7a40dc38defde3bc34be9/222_606_4235_2541/master/4235.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=4ff1d1cfec80b3f3df71413dd5f7cfab)
Claressa Shields unifies middleweight titles, then calls out Savannah Marshall | Boxing | The Guardian
![Claressa Shields vs. Christina Hammer round-by-round results, live updates, highlights | Sporting News Canada Claressa Shields vs. Christina Hammer round-by-round results, live updates, highlights | Sporting News Canada](https://library.sportingnews.com/styles/twitter_card_120x120/s3/2021-08/claressa-shields-christina-hammer_1gp9hmdx7spgu19m8tcznv19i3.jpg?itok=IG3LWfOz)