Saturday at Iowa Speedway was big for the underdogs, as driver/owner Ryan Sieg earned his first-ever pole as a NASCAR O'Reilly Auto Parts Series driver.<br>Driving the No. 39 RSS Racing Chevrolet, Sieg went fastest with a 23.966-second lap at Iowa, 0.064s clear of Ross Chastain in second. Chastain led a fleet of JR Motorsports cars, with Carson Kvapil third, Rajah Caruth fourth, and Justin ...<a class='more' href='https://www.motorsport.com/nascar-os/news/in-423rd-attempt-ryan-sieg-earns-shock-first-nascar-oreilly-pole/10845083/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>