"With essentially little to no underbody because we’re now going to the short track aerodynamic package for Darlington, these cars are out of control," says Denny Hamlin.

Tyler Reddick drove a thrilling race from pole position to a win in a second overtime. Here's how it happened.

The lower speeds did little to quell the competition, with road course standouts Shane van Gisbergen, Tyler Reddick, Michael McDowell and more finding success across the contest. Only one driver could end the day in victory lane,

Who won the NASCAR O'Reilly Series race at Las Vegas? Kyle Larson is the winner, plus full NASCAR O'Reilly Auto Parts Series results at Las Vegas.

NASCAR Darlington purse gap approaches $10 million between the Cup Series and lower divisions, highlighting a growing financial divide.