Did Chastain just open Pandora's box? &nbsp;Logano warns that he may have.<br>While running tenth on the white flag lap, he shifted up into fifth gear, put the car into the outside wall, and drove full-throttle against it to the finish line. The brazen move earned him five positions, and gained Chastain entry into the Championship 4.<br>NASCAR said the move was within the bounds of the rulebook ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/logano-chastain-wall-rule-playoffs-larson/10393463/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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