Kurt Busch going to a backup and will start in the rear of the field at Kansas

On Sunday Kurt Busch will start in the rear of the field and will be driving a backup car.

.@KurtBusch spun in final practice and will go to a backup car for the #HC400 @kansasspeedway.

— Stewart-Haas Racing (@StewartHaasRcng) October 4, 2014