CONCORD, N.C. — As rain has continued to fall at Charlotte (N.C.) Motor Speedway, officials made the call to postpone Saturday’s NASCAR Xfinity Series race to Monday. The Alsco Uniforms 300 will see the green flag wave at noon (ET). Meanwhile, Cup Series qualifying, originally scheduled for Saturday evening, has been canceled. Starting lineup with be set per metric, handing Hendrick Motorsports’ William Byron pole position for the Coca-Cola 600.

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