Were both Bob Lutz and Billie Jean King professional tennis players?
Bob Lutz (tennis): Robert Lutz (born August 29, 1947) is a former amateur and professional tennis player of the 1960s and 1970s. Billie Jean King: Billie Jean King ("née" Moffitt; born November 22, 1943) is an American former World No. 1 professional tennis player.
yes