William Byron admitted he was nervous as he headed into the final laps of the NASCAR Cup Series race Sunday at Iowa Speedway.

Spire Motorsports driver Carson Hocevar excites the NASCAR fandom with his unruly behaviour at the Iowa Speedway on Sunday.

Now, is this ironic or what? Carson Hocevar is complaining about the carelessness of others on the track at Iowa Speedway.

Carson Hocevar's aggressive racing style stirs NASCAR buzz with a bold altercation and defiant post-race jab, dividing fans.