Rookie Alexander Rossi shocked the world last year, winning the Indy 500 as an 80/1 long-shot. The nation's premier auto racing betting expert, SportsLine's Micah Roberts, was all over Rossi, and has pegged a 50/1 long-shot to make a run at this year's title. Roberts, who also called both of Juan Pablo Montoya's Indy 500 wins, has released his entire projected 2017 Indy 500 leaderboard... Join SportsLine now to see if Roberts thinks pole-sitter Scott Dixon wins the Indy 500 and find out what 50/1 long-shot could cash big!