The United States' Claressa Shields, in red, fights Russia's Nadezda Torlopova, in blue, in a women's middleweight 75-kg boxing gold medal match at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in... more 

The United States' Claressa Shields, in red, fights Russia's Nadezda Torlopova, in blue, in a women's middleweight 75-kg boxing gold medal match at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Patrick Semansky) less