ESPN Feed: free agents http://assets.espn.go.com/i/tvlistings/tv_espn_original.gif ESPN en-us 10 ESPN Inc. http://espn.go.com/ Copyright 2010 ESPN Inc. <![CDATA[ESPN25: 100 Biggest Innovations]]> Nike, free agents, TiVo? What was the most significant innovation in sports in the ESPN era?]]> September 07, 2004 04:44:14 PDT