High Quality Content by WIKIPEDIA articles! The Fox Sports Regional Networks, or simply Fox Sports Net (FSN), are a collection of cable TV regional sports networks in the United States owned and operated by News Corporation.At the dawn of the cable television era, many regional sports networks (RSNs) vied to compete with the largest national sports network, ESPN . The most notable were the SportsChannel networks, which went on the air in 1976 with the original SportsChannel (now MSG Plus) and later branched out into Chicago and Florida; Prime Network, which went on the air in 1983 with the charter member being Home Sports and Entertainment (now FSN Southwest) and later branched out onto the West Coast as "Prime Sports"; and SportSouth, the RSN operated by Turner Broadcasting.