Three major media companies are teaming up to create a new sports streaming service that could spell trouble for the cable TV industry. The service from Fox, Warner Bros. Discovery, and Disney-owned ESPN, three of the top sports rights holders, will offer content from all major US sports leagues, the Wall Street Journal. For sports fans, it will be an enticing bowl of alphabet soup: The AP reports that the service, which doesn’t have a name yet, will include NFL, NBA, MLB, NHL, WNBA, and NASCAR content, plus golf, tennis, and college sports, among other offerings. Subscribers will be able to a…