A Look at Drivers who Made the Switch from INDYCAR to Formula 1

While indycar.com & Curt Cavin took a look at F1 drivers who came to INDYCAR over the years, we decided to go the opposite way on this weeks episode! Who went from Indycar to F1? Did they have success / what led to their successes and failures? We also touch on some drivers who got an F1 test but never drove in a race.