Jimmie Johnson's run at another Sprint Cup title is on and could bring him a piece of NASCAR history. Johnson's victory in the Coca-Cola 600 on Sunday night all but locked him into the new, expanded championship Chase format. If the 38-year-old Johnson pulls it off, it'll be his seventh series crown to tie the NASCAR mark shared by Richard Petty and the late Dale Earnhardt. NASCAR leaders changed the emphasis in qualifying, putting more of a premium on wins over the steadiness of points racing. More...