Regional sports networks (RSNs) are in free fall in the US, with two major stakeholders folding within the past few weeks. Following collapse of Sinclair-owned Bally Sports, Warner Bros Discovery (WBD) is now looking to shut down its AT&T SportsNet RSNs, with The Wall Street Journal reporting that the business does not have the cash to pay its upcoming rights fees. RSNs and their local teams are stuck in the middle of a wider shift in the sports market, with broadcast rights gradually swinging over to OTT in a market where broad-stroke buys seem a much safer bet. The cost of investing in any sports league is enormous, so the patchwork fan-base offered by RSNs is a less certain gamble for most ambitious sports rights buyers. WBD…