Dreyer & Reinbold Racing has signed former rallycross champion Cabot Bigham to drive its Audi S1 EKS JC RX SuperCar in the new Nitro Rallycross (NRX) five-event series, which begins September 24-25 at the Utah Motorsports Campus.Bigham, 24, from Reno, Nev., teamed up with DRR in 2016 (pictured above) to...