KANSAS CITY, KS - OCTOBER 04: Tony Stewart, driver of the #14 Office Depot/Old Spice Chevrolet, and Mark Martin, driver of the #5 CARQUEST/Kellogg's Chevrolet, lead a pack of cars during the NASCAR Sprint Cup Series Price Chopper 400 presented by Kraft Foods at the Kansas Speedway on October 4, 2009 in Kansas City, Kansas.