AVONDALE, AZ - MARCH 01: Jimmie Johnson, driver of the #5 Great Clips Chevrolet, puts on his helmet during practice for the NASCAR Nationwide Series Dollar General 200 fueled by AmeriGas at Phoenix ... more 
AVONDALE, AZ - MARCH 01: Jimmie Johnson, driver of the #5 Great Clips Chevrolet, puts on his helmet during practice for the NASCAR Nationwide Series Dollar General 200 fueled by AmeriGas at Phoenix International Raceway on March 1, 2013 in Avondale, Arizona. (Photo by Jared Wickerham/Getty Images) less 
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Getty Images | Photo By Jared Wickerham / Getty Images
Fri, Mar 1, 2013 1:21 PM EST