By Reid Spencer NASCAR Wire Service AVONDALE, Ariz.—High school senior Sammy Smith made the most of the fastest car in Saturday’s United Rentals 200, becoming the youngest NASCAR Xfinity Series winner Phoenix Raceway at age 18. In a race that featured 11 cautions for 69 laps, Smith held off teammate […]
Sammy Smith drives dominant car to NASCAR Xfinity win at Phoenix
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