Brad Keselowski

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Kyle Busch exits his car after finishing second to Brad Keselowski, doing a burnout at rear, in the NASCAR Nationwide Series auto race Saturday, March 8, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Brad Keselowski's pit crew celebrates after Keselowski won the NASCAR Nationwide Series auto race Saturday, March 8, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Crew members celebrate as Brad Keselowski, left, wins the NASCAR Nationwide Series auto race Saturday, March 8, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Brad Keselowski celebrates in Victory Lane after winning the NASCAR Nationwide Series auto race Saturday, March 8, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Brad Keselowski celebrates in Victory Lane after winning the NASCAR Nationwide Series auto race Saturday, March 8, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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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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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)