Jimmie Johnson sparked a massive crash late in the AAA 400 at Dover International Speedway on Sunday when his car wouldn't go into gear on a late restart.
Johnson, who seemed somewhat mystified after the incident, was leading the outside line when he lost momentum and then spun, with cars piling into an accident just moments into the restart.
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NASCAR had to bring out the red flag after cars piled up following a restart on Lap 354.