Just three races remain in the regular season, and there are just three unclaimed spots inside the 16-driver playoff field. The NASCAR Cup Series will test its drivers at the Watkins Glen road course before heading to the Richmond short track and then the iconic Daytona superspeedway.<br>William Byron became just the fifth multi-time winner this year with his fuel-mileage victory at Iowa Speedway ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/the-nascar-cup-playoff-picture-with-three-races-to-go/10748848/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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