Jimmie Johnson's NASCAR title defense on after Coca-Cola 600 winCopyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.SI Staff|Jimmie Johnson's NASCAR title defense on after Coca-Cola 600 winShare on FacebookShare on XAdd us on Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.Published May 26, 2014 | Modified May 26, 2014SI STAFFShare on FacebookShare on XHome/Racing