Article Photos: Brad Keselowski drops Nationwide race at Kansas

Driver Brad Keselowski prepares his helmet before practice for the AAA 400 NASCAR Sprint Cup Series auto race, Friday, Sept. 28, 2012, in Dover, Del. (AP Photo/Nick Wass)

Driver Brad Keselowski prepares his helmet before practice for the AAA 400 NASCAR Sprint Cup Series auto race, Friday, Sept. 28, 2012, in Dover, Del. (AP Photo/Nick Wass)