Cody Ware will be sidelined for the next two NASCAR Cup Series races as a precautionary measure after falling ill during last weekend’s Darlington race.

Ware will be miss Saturday night’s race at Richmond Raceway and next Saturday at Bristol Motor Speedway. He was treated for carbon monoxide poisoning in the infield care center at Darlington Raceway after getting out of the car before the race was complete, saying he didn’t feel well.

Garrett Smithley will drive Rick Ware Racing’s No. 51 Chevrolet this weekend. No decision has been made about who will step in for Bristol.

.@GarrettSmithley will pilot the No. 51 this weekend @RichmondRaceway for @CodyShaneWare.

Get Well Soon, Cody! pic.twitter.com/N5bGq5xNtp

— Rick Ware Racing (@RickWareRacing) September 10, 2021

Ware has run 25 of the season’s 27 races. His best finish is a 21st-place finish in the Daytona 500.