Concussed NASCAR champion Kurt Busch to step away from sport

NASCAR Cup Series driver Kurt Busch tips his cap prior to the NASCAR Cup Series auto race at the New Hampshire Motor Speedway on July 17 in Loudon, N.H. (AP Photo/Charles Krupa, File)

LAS VEGAS — Kurt Busch, still trying to work his way through the concussion he suffered three months ago and advised by doctors to get out of a race car, will not compete full-time in 2023.