Four-time defending NASCAR champion Jimmie Johnson has crashed during practice for the Daytona 500.
Johnson was among several cars caught up in the accident during
Wednesday's second practice at Daytona International Speedway. Mike
Bliss seemed to trigger it when he lost control of his car coming
out of a turn. Bliss turned sideways, then shot up the track and
rammed into Joey Logano.
Kyle Busch was also involved.
Johnson and Logano switched to backup cars for Sunday's season
It was the latest accident in a Speedweeks that has been filled