Moments after Carl Edwards climbed from his winning Southern 500 car, he began lobbying for NASCAR to apply the rules package used at Darlington Raceway in the upcoming playoffs. Edwards and his Joe Gibbs Racing teammates are among the loudest supporters of an aerodynamic package that has been experimented with twice this summer, most recently Sunday night at Darlington Raceway. Although his drivers want the low-downforce package used in the 10-race Chase for the Sprint Cup championship, team owner Joe Gibbs is content using the much-maligned current rules. More...