Kyle Busch had just posted the second-fastest lap in Group A in Saturday’s NASCAR Cup Series practice at Iowa Speedway when calamity struck.

NEWTON, Iowa — Kyle Busch crashed in practice shortly after posting the second-fastest lap in his group Saturday at Iowa Speedway. Busch was uninjured after the hard impact. The team went to a backup car.

Busch is back to "zero trust" in the car after a heavy impact in practice for the NASCAR Cup race this weekend