Brad Keselowski

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Brad Keselowski works in the garage during NASCAR Sprint Cup auto racing practice on Friday, March 7, 2014, in Las Vegas. (AP Photo/Isaac Brekken)

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Joey Logano (22) and Brad Keselowski (2) lead into the first turn at the start of the NASCAR Sprint Cup Series auto race Sunday, March 2, 2014, in Avondale, Ariz. (AP Photo/Ross D. Franklin)

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From left to right, Matt Kenseth (20), Brian Scott (2) and Brad Keselowski (22) lead the pack of racers at the start of a NASCAR Nationwide auto race Saturday, March 1, 2014, in Avondale, Ariz. (AP Photo/Ross D. Franklin)

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Brad Keselowski holds the flag after winning the pole for Sunday's NASCAR Sprint Cup Series auto race, Friday, Feb. 28, 2014, in Avondale, Ariz. (AP Photo/Rick Scuteri)

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Brad Keselowski gives a thumb-up after winning the pole for Sunday's NASCAR Sprint Cup Series auto race on Friday, Feb. 28, 2014, in Avondale, Ariz. (AP Photo/Rick Scuteri)

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Brad Keselowski walks through the garage area during a practice session for the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Feb. 21, 2014. (AP Photo/John Raoux)