Kentucky starts Chase-worthy stretch of races

Kentucky is crucial for Denny Hamlin and Brad Keselowski, who are struggling to make the Chase.

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He has yet to win in 2013, but he should challenge for the checkered flag on Saturday night -- as long as his equipment doesn't fail him. He finished fourth in this race last year. But look for Earnhardt, like every other driver, to be chasing one person shortly after the green flag waves: Kyle Busch.