Reid Spencer, NASCAR Wire Service
The SportsXchange

Distributed by The Sports Xchange

Today's NASCAR Number is this week's daily double:

1,638: The number of laps Jimmie Johnson has led in the last seven NASCAR Sprint Cup Series races at Dover International Speedway, an astounding 58.5 percent of the 2,800 laps run in those events. Johnson, the Chase for the NASCAR Sprint Cup leader, won four of the last seven races at the Monster Mile, including the June race earlier this year.

4: The aggregate number of laps led by Brad Keselowski and Denny Hamlin in the last seven races at Dover. Keselowski, second in the standings and one point behind Johnson, has led two laps in five career starts at the Monster Mile. Hamlin, third in points, likewise has led two laps in his last seven Dover starts.

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