CHARLOTTE, N.C. (AP) — Danica Patrick, the only female driver at NASCAR's top level, is likely at the end of her driving career after a sponsorship shake-up left her without a ride at Stewart-Haas Racing.

Patrick posted a statement on her Facebook page Tuesday saying her time with Stewart-Haas "had come to an end" due to a new sponsorship arrangement for the team next season. The statement came shortly after Smithfield Foods said it will leave Richard Petty Motorsports to become a primary sponsor at Stewart-Haas next year.

The news is a blow to RPM, which is also losing driver Aric Almirola. B...