FILE - In this May 31, 1982, file photo, Gordon Johncock (20) and Rick Mears (1) race in the Indianapolis 500 auto race in Indianapolis. Johncock beat Mears by 0.16 second. In a survey of the 27 living winners of the Indy 500, The Associated Press found the 1992 race won by Al Unser Jr. to be the greatest in history. Other memorable races included Little Al's loss to Emerson Fittipaldi in '89, Sam Hornish Jr.'s victory in 2006 and the second win for the late Dan Wheldon in 2011. (AP Photo/File)