Willy T. Ribbs (RIGHT) with Robby Unser at last year's Brickyard Invitational. (LAT photo) The Sportscar Vintage Racing Association (SVRA) today announced that Trans Am racing legend Willy T. Ribbs will return to competition at the Indianapolis Motor Speedway for the "Indy Legends" Charity Pro-Am during the Brickyard Invitational, June...