Michael McDowell has claimed his first NASCAR win, triumphing in a fiery finish to a rain-affected Daytona 500. <iframe width="1280" height="720" src="https://www.youtube.com/embed/JTU7l4AxuVg" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>