NASCAR Championship Chase Auto Racing

  FILE - This Nov. 3, 2012 file photo shows crew chief Paul Wolfe, left, and a fellow crew member talking with Brad Keselowski, right, following a practice session for a NASCAR Sprint Cup Series race at Texas Motor Speedway in Fort Worth, Texas. Wolfe wasn't interested in working with Brad Keselowski when the driver first approached him about a potential pairing. He's now got Keselowski one race away from a Sprint Cup Series championship. (AP Photo/Tim Sharp, File)
FILE - This Nov. 3, 2012 file photo shows crew chief Paul Wolfe, left, and a fellow crew member talking with Brad Keselowski, right, following a practice session for a NASCAR Sprint Cup Series race at Texas Motor Speedway in Fort Worth, Texas. Wolfe wasn't interested in working with Brad Keselowski when the driver first approached him about a potential pairing. He's now got Keselowski one race away from a Sprint Cup Series championship. (AP Photo/Tim Sharp, File)

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