Ms. Carreon-John noted that more than a third of the U.S. track and field women’s roster is made up of Nike athletes. “Individual situations of a handful of athletes are not representative of Nike’s support of women’s sport,” she said, adding, “No footwear, apparel or equipment manufacturer provides the level of support Nike provides to women’s sport, period.”To be sure, Nike is a huge company and has supported a sprawling number of athletes for decades. “Nike has done a lot of great things, but sometimes when you’re the big brand, there are more …