Sprint Cup Series

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Brad Keselowski drives during qualifying for Sunday's NASCAR Sprint Cup Series auto race, Friday, March 7, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Dale Earnhardt Jr. puts on his helmet during qualifying for Sunday's NASCAR Sprint Cup Series auto race on Friday, March 7, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Danica Patrick walks down pit row following qualifying for Sunday's NASCAR Sprint Cup Series auto race, Friday, March 7, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Kevin Harvick, left, talks with Tony Stewart during qualifying for Sunday's NASCAR Sprint Cup Series auto race on Friday, March 7, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Joey Logano poses for photos after winning the pole position for Sunday'S NASCAR Sprint Cup Series auto race, Friday, March 7, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Joey Logano poses for photos after winning the pole position for Sunday's NASCAR Sprint Cup Series auto race, Friday, March 7, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Danica Patrick makes a pit stop during the NASCAR Sprint Cup Series auto race Sunday, March 2, 2014, in Avondale, Ariz. (AP Photo/Ross D. Franklin)

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Jimmie Johnson (48), Dale Earnhardt, Jr., back left, and Kevin Harvick head into Turn 1 during the NASCAR Sprint Cup Series auto race Sunday, March 2, 2014, in Avondale, Ariz. (AP Photo/Ross D. Franklin)

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Kevin Harvick comes in to the finish line to win the NASCAR Sprint Cup Series auto race Sunday, March 2, 2014, in Avondale, Ariz. (AP Photo/Ross D. Franklin)

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Kevin Harvick, right, laughs with former driver A.J. Foyt in Victory Lane after Harvick own the NASCAR Sprint Cup Series auto race on Sunday, March 2, 2014, in Avondale, Ariz. (AP Photo/Ross D. Franklin)