Gerry Smith, reporting for Bloomberg: Comcast is trying to restrict cable operators' sales of low-cost TV service to ensure its regional sports networks don't lose too many subscribers, according to a trade group of about 750 smaller companies that have taken their complaint to regulators. Comcast has tried to limit the availability of sports-free offerings in contract talks with pay-TV operators, according to the American Cable Association, whose members have about 7 million subscribers. In addition to being the largest U.S. cable provider, Comcast owns regional sports channels in markets such as Boston, Chicago and Philadelphia. The claim shows programmers are fighting back as more consumers seek TV options that don't include sports. Cable operators are trying to stem subscriber losses by offering a "basic" service with just a few channels and internet access for fans of Netflix or Amazon.