
Johnson will be making his first ever oval start in an IndyCar at Texas Motor Speedway on Sunday, and his commitment to the Chip Ganassi Racing-Honda team preclude the NASCAR legend from taking his usual seat in Action Express Racing’s extra Cadillac for IMSA WeatherTech SportsCar Championship’s endurance rounds.
IndyCar practice and qualifying is being held on Saturday, so had any driver attempted to race both the Twelve Hours of Sebring and the XPEL 375 would have had to start from the back of the IndyCar field.