Scott Dixon, of New Zealand, talks with NASCAR driver Jimmy Johnson, left, and three-time Indy 500 champion Dario Franchitti, center, during practice for the Indianapolis 500 IndyCar auto race at Indianapolis Motor Speedway, Thursday, May 16, 2019 in Indianapolis. (AP Photo/Michael Conroy)

Scott Dixon, right, of New Zealand, talks with NASCAR driver Jimmy Johnson, left, and three-time Indy 500 champion Dario Franchitti, center, during practice for the Indianapolis 500 IndyCar auto race at Indianapolis Motor Speedway, Thursday, May 16, 2019 in Indianapolis. (AP Photo/Michael Conroy)

FILE - NASCAR driver Jimmie Johnson, left, and Indycar driver Scott Dixon, right, talk during practice for the Indianapolis 500 IndyCar auto race at Indianapolis Motor Speedway in Indianapolis, in this May 16, 2019, file photo. Three-time Indy 500 champion Dario Franchitti sits, second from left. The IndyCar season begins with three new drivers, including seven-time NASCAR champion Jimmie Johnson. (AP Photo/Michael Conroy, File)

FILE - NASCAR driver Jimmie Johnson, left, and Indycar driver Scott Dixon, right, talk during practice for the Indianapolis 500 IndyCar auto race at Indianapolis Motor Speedway in Indianapolis, in this May 16, 2019, file photo. Jimmie Johnson makes his debut on the Indianapolis Motor Speedway road course this weekend in his third start in the IndyCar Series. He’s a four-time winner on the oval, but Johnson has only driven the road course in a test with Chip Ganassi Racing. (AP Photo/Michael Conroy, File)