the braves promoted him to the major leagues on april 25, 2017. adams recorded his first major league hit in a game against the milwaukee brewers four days later. adams hit his first major league home run, a three-run shot, against the san francisco giants on june 22. on september 10, adams hit a 2-run, walk off home run against the miami marlins in the 11th inning. the home run clinched the nl east for the washington nationals. for the 2017 season with the braves, he batted .275/.339/.468, and was successful in all 10 of his stolen base attempts, in 109 at bats.