<prompt> Andika mwendelezo wa aya hii - London 2012 middleweight champion Claressa Shields was the US female boxer to upgrade her Olympic spot with a quarterfinal victory at the World Championships  <response>: huko Astana, Kazakhstan. Antonio Vargas na Gary Antuanne Russell walikuwa Wamarekani pekee kupata nafasi za ziada kwenye timu ya ndondi katika 2016 AIBA World Qualifying Tournament huko Baku, Azerbaijan. 