There is in fact one American driver in talks with Cadillac F1 for a 2026 seat, but he isn't coming from IndyCar.

French manufacturer's plans to enter U.S. road car market on hold as it seeks to 'strengthen and develop current markets...' ...

The F1 grid will expand to 11 teams with the arrival of Cadillac in 2026. Audi will also join the series and five engine manufacturers (Audi, Ferrari, Honda, Mercedes, and Red Bull Powertrains) are co ...