美国体育网站布里克报告（The Bleacher Report）主写手丹·莱维（Dan Levy）指出，大部分评论员将“美国足球”定义为观看美国足球联赛中美国球员表演的美国人数量。
Dan Levy, lead writer for the US sports website The Bleacher Report, points out that most commentators define “American soccer” as the number of Americans who watch American players in US league play.