Photos: NASCAR at Las Vegas Motor Speedway, Sunday, March 4, 2018

LAS VEGAS, NV - MARCH 04: Ryan Blaney, driver of the #12 Menards/Pennzoil Ford, leads the field at the start of the Monster Energy NASCAR Cup Series Pennzoil 400 presented by Jiffy Lube at Las Vegas Motor Speedway on March 4, 2018 in Las Vegas, Nevada. (Photo by Sean Gardner/Getty Images)