 By the mid-2000s, the station would morph into an all-sports format, with both national and Wisconsin-based programming.On January 1, 2009, WTLX became a network affiliate of ESPN Radio, whose programming had been airing in Madison on rival station 1070 WTSO.Along with that affiliation change, WTLX's city of license moved from Columbus, Wisconsin, 27 miles northeast of Madison, to the Madison suburb of Monona.