The race, which was postponed from Saturday due to rain and then had its own 3½-hour rain delay itself, was the last opportunity of the season for a driver to win their way into the 16-driver playoff field.<br>That was going to be the only way Dillon, 32, and his No. 3 Richard Childress Racing team would get in this season as there were already 14 drivers in on wins and Dillon was mired in 19th ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/nascar-playoff-validation-austin-dillon/10361135/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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