Hamlin edges out Byron to win at Michigan The rookie drove like a veteran in Saturday’s Irish Hills 250 at Michigan International Speedway, but in the end, the veteran took the rookie to school. Side-drafting off the final corner, Monster Energy NASCAR Cup Series star Denny Hamlin pulled ahead of Sunoco Rookie of the Year contender William Byron and won a drag race to the finish line to win his first NASCAR XFINITY Series race of the season in the No. 20 Joe Gibbs Racing Toyota. read more http://www.nascar.com/news-media/2017/06/17/who-won-michigan-xfinity-race-denny-hamlin/