Scott Dixon gets fuel and tires during the IndyCar auto race at Texas Motor Speedway, Saturday, June 8, 2019, in Fort Worth, Texas. (AP Photo/Brandon Wade)

Takuma Sato collides with a member of his pit crew, knocking him to the ground, during the IndyCar auto race at Texas Motor Speedway, Saturday, June 8, 2019, in Fort Worth, Texas. (AP Photo/Brandon Wade)

Josef Newgarden makes a pit stop during the IndyCar auto race at Texas Motor Speedway, Saturday, June 8, 2019, in Fort Worth, Texas. (AP Photo/Brandon Wade)

Scott Dixon, of New Zealand, celebrates after winning the second race of the IndyCar Detroit Grand Prix auto racing doubleheader in Detroit, Sunday, June 2, 2019. (AP Photo/Paul Sancya)