In a relatively uneventful race at the Iowa Corn 350, it was what happened after the race that drew the most headlines.

Fresh off the back of his Cup Series win at Iowa Speedway on Sunday, Hendrick Motorsports star William Byron has credited some of his NASCAR success to a surprising factor.

Dale Earnhardt Jr.'s reaction to the Iowa race incident sparks debate over Carson Hocevar's style and NASCAR's need for ...