Around 300 people turned out to see the unveiling of the car that three time Defending Knoxville Nationals Champion Donny Schatz will drive this week. Also on hand were 1969 Indianapolis 500 Winner Mario Andretti, and NASCAR Driver Tony Stewart. The unveiling took place at the National Sprint Car Hall of Fame and Museum yesterday. Andretti is the only driver in history to win the Indy 500, the Daytona 500 and the Formula One World Title. The car that Schatz will drive is a tribute car to Andretti’s 1969 car he drove to victory at Indianapolis.