American Samoa’s Taulia Tagovailoa (left) threw five touchdowns in the team’s win over the U.S. and celebrates with Tai Natani-Othoniel Tiedemann. Ina Fassbender / Getty Images
American Samoa, led by Taulia Tagovailoa, delivered a stunner during group play at the IFAF Flag Football World Championships in Düsseldorf, Germany, handing the U.S. its first loss at the event since 2012.
Tagovailoa, the 26-year-old former Maryland quarterback and younger brother of NFL quarterback Tua Tagovailoa, threw five…