FILE - In this Feb. 24, 2013 file photo, Jimmie Johnson, left,  and crew chief Chad Knaus wear Daytona 500 rings after winning the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla. It was important to Johnson to win a Daytona 500 with crew chief Chad Knaus there. (AP Photo/Terry Renna, File) Photo: Terry Renna
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