CHARLOTTE, N.C. -- Stewart-Haas Racing announced on Thursday that Tony Stewart will not race at Michigan International Speedway this weekend.
Jeff Burton will fill in for him.
Stewart also sat out last weekend's race at Watkins Glen International, a day after the sprint car he was driving struck and killed Kevin Ward Jr. during a race at Canandaigua (N.Y.) Motorsports Park.
A release from Stewart-Haas Racing reads:
"Tony Stewart has decided not to compete in the NASCAR Sprint Cup Series event this weekend at Michigan International Speedway in Brooklyn.
"Veteran driver Jeff Burton, a winner of 21 Sprint Cup races, will pilot the No. 14 Mobil 1/Bass Pro Shops Chevrolet SS for Stewart-Haas Racing (SHR) in place of Stewart.
"This driver change pertains only to Michigan. Stewart's plans for upcoming Sprint Cup races have yet to be determined."
Stewart hasn't said anything publicly since his apology on Sunday, after he hit and killed driver Kevin Ward Jr., Saturday night. Stewart did not race Sunday at Watkins Glen in New York.
Related:Sheriff: Stewart Won't Be Charged In Kevin Ward Jr's Death
The fatal accident happened during a race at Canandaigua Motorsports Park. Two eyewitnesses told USA TODAY Sports that driver Kevin Ward Jr. was spun out by Stewart. Ward got out of his car to show his displeasure and then was struck by Stewart's car , sending Ward sliding down the track, fellow sprint car racer Tyler Graves and witness Adam Dulski told USA TODAY Sports.
Ward was taken by ambulance to Thompson Health and was pronounced dead on arrival. The incident happened around 10:30 p.m. and Ward was pronounced dead at 11:15 p.m., according to the sheriff.