Biffle leads Chase drivers in Charlotte qualifying
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Credit: Getty Images
DAYTONA BEACH, FL - FEBRUARY 22: Greg Biffle, driver of the #16 3M Ford, stands in the garage during practice for the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway on February 22, 2012 in Daytona Beach, Florida. (Photo by Chris Graythen/Getty Images)
