http://assets.espn.go.com/i/tvlistings/tv_espn_original.gif en-us 10 ESPN Inc. http://espn.go.com/ Copyright 2010 ESPN Inc. If Carl Edwards versus Kyle Busch evolves into a full-blown rivalry, it wouldn't be a first for NASCAR. Fellas named Petty, Yarborough, Earnhardt, Pearson and Allison have had toe-to-toe moments, too, writes David Newton.]]> August 29, 2008 07:53:23 PDT