FILE - In this May 23, 1987, file photo, Mario Andretti, left and A.J. Foyt, autograph a helmet during the drivers meeting at Indianapolis Motor Speedway in Indianapolis, Ind. In the lead-up to the 100th running of the "The Greatest Spectacle in Racing," The Associated Press interviewed the 27 living race winners on topics ranging from the best driver to greatest tradition. When it came time to name the greatest rivalry, Foyt, Andretti and Bobby Unser received the most attention. (AP Photo/Mark Duncan, File)