Kobalt 400

Kobalt 400

LAS VEGAS, NV – MARCH 09: Two crew members are knocked to the ground by Kurt Busch, driver of the #41 Haas Automation Chevrolet, as Reed Sorenson, driver of the #36 Tommy Baldwin Racing Chevrolet, pits during the NASCAR Sprint Cup Series Kobalt 400 at Las Vegas Motor Speedway on March 9, 2014 in Las Vegas, Nevada. (Photo by Nick Laham/Getty Images)