Hello how may I help you? The Sports Authority open at 9 a.m. Is Sports Authority open at 9 a.m. yes it does So they are not out business? there are still afew Really I want to know if Big 5 in San Diego is open at 9 a.m. 9:30am What time did the Menendez brothers buy their guns at Big 5 in San Diego to kill their parents I cannot help you with that morbid question It happened so that's just life they deserved it