BBC presenter John Inverdale’s comments about Wimbledon women’s single champion Marion Bartoli’s physical appearance earlier this week, and the furor they inspired, have called attention once again to the deep-rooted, pervasive sexism within professional sports. But her reaction serves as a barometer of how things have changed for women athletes over the years. For those who don’t know, Inverdale, chatting with another commentator about champion Bartoli’s technique as a player, remarked: I just wonder if…