FILE - In this July 2, 1963 file photo, Billie Jean King, 19, of Long Beach, Calif., plays former champion Maria Bueno of Brazil during their women's singles quarter finals match at Wimbledon, England. Ellen Staurowsky, a professor of sport management at Drexel University in Philadelphia, says awareness of homosexuality in athletics started to grow, slowly in the 1970s on college campuses. Then in the early 1980s, King was outed, and Martina Navratilova also came out as a lesbian. (AP Photo)