After attending his first race in Bowman Gray Stadium at the age of ten, McDuffie was inspired by racers Curtis Turner, Glen Wood, Billy Myers, and others to become a race car driver.
Setelah pertama kali menonton balapan di Bowman Gray Stadion pada usia sepuluh tahun, McDuffie terinspirasi oleh legenda balap Curtis Turner, Glenn Wood, Billy Myers, dan lain-lain untuk menjadi pembalap.