Martina Navratilova calls transgender athletes competing in women's sports 'cheating'
Ricky Martin, Ryan Murphy, Martina Navratilova join Dolce & Gabbana boycott
Martina Navratilova proposes to girlfriend Julia Lemigova at US Open
Robin Roberts, Martina Navratilova, Jason Collins cheer Michael Sam
National Gay and Lesbian Sports Hall of Fame names first honorees
