True crime. Horror. Celebrity. LGBTQ history. These are the genres and topics we tend to associate with Ryan Murphy, the megaproducer behind such TV hits as American Horror Story, American Crime Story, The Watcher, and his canonically “Obamacore” breakthrough, the high school musical dramedy Glee. Sports? Not so much. Which makes his latest foray into docudrama, American Sports Story, whose two-episode premiere airs Sept.