Busch, 44, has not been cleared to compete since a qualifying crash at Pocono on July 23rd of this year. He was experiencing concussion-like symptoms and has been fully focused on his recovery since then, missing four Cup races.<br>The former Cup Series champion will now miss the next two as well, ending the regular season on the sidelines. NASCAR Xfinity Series title contender Ty Gibbs will ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/kurt-busch-concussion-playoffs-ty-gibbs/10354476/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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