The learning curve is steeper, the races longer and the tracks more difficult, but Burton remains steadfast in his belief he will make his opportunity in the Cup series work.<br>Burton, the 21-year-old son of NASCAR Hall of Fame nominee Jeff Burton, is coming off a career-best finish of 14th last weekend at Darlington (S.C.) Raceway, one of just four races this season on which he’s finished on ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/cup-rookie-harrison-burton-season/10303333/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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