The Latest: Darlington improves seating, sight lines

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              Kevin Harvick leads during early stages of a NASCAR Xfinity Series auto race at Darlington Raceway, Saturday, Sept. 1, 2018, in Darlington, S.C. (AP Photo/Terry Renna)
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DARLINGTON, S.C. (AP) — The Latest from NASCAR racing at Darlington Raceway on Sunday (all times EDT):