There is a new ESPN documentary for it's Nine for IX series called "Branded." It illustrates the inequalities between women and men sports-focusing on how men can make a living based solely on talent whereas women athletes need to make most of their income from endorsements. Those endorsements feature women in two sectors: innocent naive good-girl or sexy vixen.
Here is a link for a synopsis: http://espn.go.com/espnw/w-in-action/nine-for-ix/article/8948901/nine-ix-film-summary-director-branded