AJ Allmendinger will replace Bobby Labonte next week at Michigan International Speedway for JTG-Daugherty Racing.
Labonte, the 2000 Cup champion, is 28th in the Sprint Cup points standings. Team co-owner Brad Daugherty says the team is trying something different to get their season on track.
Daugherty says he could run Allmendinger in up to five Cup races. He also says the team hasn't given up on Labonte.
Allmendinger has driven a limited NASCAR schedule since being suspended for a failed drug test last year. Roger Penske fired him but gave him another chance in IndyCar. He's set to drive in two NASCAR Nationwide Series races this season for Penske Racing.