Blaney was leading all title contenders, but became agitated with*Chastain as they battled for the race lead.He did not need to win in order to be crowned champion, but felt that he needed to get out front to protect himself from the chasing Hendrick Motorsports duo of Kyle Larson and William Byron."He's [Chastain] backing me up to the No. 5. I have to go," the Team Penske driver explained. "He's ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/blaney-chastain-phoenix-cup-finale-nascar-championship/10543517/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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