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: youtube.com/user/BleacherReport?sub_confirmation=1 Follow us! instagram.com/bleacherreport twitter.com/BleacherReport tiktok.com/@bleacherreport facebook.com/bleacherreport #mlb #baseball #nationalanthem