Drivers Tony Stewart, left, and Ryan Newman talk in the garages after practice for Sunday's NASCAR Sprint Cup...

Driver Tony Stewart looks out from his car as he inserts his earplugs before the start of practice for...

Juan Pablo Montoya (42), of Colombia, makes contact with Tony Stewart (14) during the NASCAR Ford 400 Sprint Cup Series auto race at Homestead-Miami Speedway in...

Oct. 30, 2009; Talladega, AL, USA; NASCAR Sprint Cup Series driver Tony Stewart during practice for the Amp Energy 500 at the Talladega Superspeedway. Mandatory Credit: Mark J. Rebilas...

...9, 2008, file photo, Dave Rogers, crew chief for the Old Spice Toyota, watches his driver Tony Stewart during the NASCAR Diamond Hill Plywood 200 Nationwide series auto race at the Darlington International Raceway...

NASCAR Sprint cup drivers, from left, Ryan Newman, Denny Hamlin, Tony Stewart, Kyle Busch, and Brian Vickers tape a promotional spot prior to qualifying for The Tums 500...

Tony Stewart is seen during a practice session for the Michigan 400 NASCAR auto race at Michigan International...

CAPTION: Oct. 3, 2009; Kansas City, KS, USA; Nascar Sprint Cup Series driver Tony Stewart during practice for the Price Chopper 400 at Kansas Speedway. Mandatory Credit: Mark J. Rebilas-US...

LOUDON, NH - SEPTEMBER 18: Tony Stewart, driver of the #14 Old Spice/Office Depot Chevrolet stands on the grid during qualifying for...

NASCAR driver Juan Pablo Montoya (42) and Tony Stewart (14) vie for the lead during the first race of the 10-race Chase for the...

...in Richmond, Va., Saturday Sept. 11, 2009. The drivers are from left to right top row Tony Stewart, Carl Edwards, Greg Biffle, Mark Martin, Jimmie Johnson, Jeff Gordon, Bottom row, Juan Pablo Montoya, Ryan...

In this photo taken Sunday June 7, 2009, Tony Stewart, left, and chew chief Darian Grubb, right, celebrate in victory lane at Pocono Raceway in Long...

Tony Stewart, center, celebrates with crew members after winning the NASCAR Sprint Cup Series' Price Chopper 400 auto...

Tony Stewart celebrates after winning the NASCAR Sprint Cup Series' Price Chopper 400 auto race at Kansas Speedway...

Tony Stewart celebrates after winning the NASCAR Sprint Cup Series' Price Chopper 400 auto race at Kansas Speedway...