Dr. Jesse McGuire's trumpet had a malfunction midway through his national anthem performance before the Arizona Diamondbacks vs. New York Yankees, game so he improvised and sang the rest of the anthem. Subscribe: https://www.youtube.com/user/BleacherReport?sub_confirmation=1 Follow us! https://www.instagram.com/bleacherreport https://twitter.com/BleacherReport https://www.tiktok.com/@bleacherreport https://www.facebook.com/bleacherreport #mlb #baseball #nationalanthem