Jul 27, 2014; Eugene, OR, USA; Members of the United States womens 4 x 400m relay pose with United States flags after winning in 3:30.42 in the 2014 IAAF World Junior Championships at Hayward Field. From left: Olivia Baker and Shakima Wimbley and Kendall Baisden and Shamier Little. Mandatory Credit: Kirby Lee-USA TODAY Sports