Soaked in sweat, champagne and success, Jimmie Johnson celebrated yet another NASCAR championship by sipping a beer. Back on top with only two NASCAR legends left to catch, Johnson won his sixth title in eight years Sunday to stake his claim as one of the most dominant competitors in sports history. The party had barely started on No. 6 when the debate began: Where does Johnson, who on-and-off for two years has used the hashtag '6Pack' on Twitter to describe his bid for this title, rank among NASCAR's greats? Let's wait until I hang up the helmet until we really start thinking about this.'' Said crew chief Chad Knaus, who trails only Dale Inman's eight championships in the NASCAR record books: ''I don't think we're even close to the potential of the team yet.'' That should be devastating news to the rest of NASCAR. More...