William Byron adjusts his ear plugs before getting in his car during  NASCAR auto racing practice at Daytona International Speedway, Saturday, Feb. 10, 2018, in Daytona Beach, Fla.
William Byron adjusts his ear plugs before getting in his car during NASCAR auto racing practice at Daytona International Speedway, Saturday, Feb. 10, 2018, in Daytona Beach, Fla. Terry Renna AP Photo
William Byron adjusts his ear plugs before getting in his car during NASCAR auto racing practice at Daytona International Speedway, Saturday, Feb. 10, 2018, in Daytona Beach, Fla. Terry Renna AP Photo

William Byron leads Daytona 500 practice on opening day

February 10, 2018 04:19 PM

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