Time Warner Cable SportsChannel is producing a new soccer show called “Center Circle” that will air weekly for the duration of the Major League Soccer season, with new episodes premiering on Wednesdays at 7 p.m. The 30-minute show reviews the previous week’s MLS games and their impact on the standings, then looks ahead to the following week’s games. “Center Circle” will be hosted by award-winning Time Warner Cable Metro Sports anchor/reporter Brad Porter and will showcase happenings and highlights from around the league, supplemented