Kurt Busch not cleared for NASCAR Cup race at Pocono

LONG POND, Pa. — Kurt Busch was not cleared by NASCAR's medical staff to compete in Sunday's race at Pocono Raceway, and the 23XI Racing driver was replaced by 19-year-old Ty Gibbs.

The 43-year-old Busch, who has hinted next season will be his last driving in NASCAR, tweeted he suffered from «concussion-like symptoms» from a hit suffered during Saturday's qualifying session.

«The tests indicate that I am still recovering,» Busch wrote.

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Busch, who has made 776 career Cup starts, is the 2004 series champion and is in his first season driving for a team co-owned by Michael Jordan and Denny Hamlin. His No. 45 Chevrolet spun on Saturday and slammed into NASCAR's protective safer barriers.

23XI selected Gibbs, the grandson of Joe Gibbs Racing owner and former NFL coach Joe Gibbs, to make his first start. Gibbs finished second in Saturday's Xfinity Series race and third in the series points standings.