Unknowns loom ahead of IndyCar season-opener at Texas: 'I'm nervous. I think everybody is nervous'
The list of unknowns heading into IndyCar's season-opener at Texas Motor Speedway may be the only part that teams and drivers can agree on.
The list of unknowns heading into IndyCar's season-opener at Texas Motor Speedway may be the only part that teams and drivers can agree on.