I was wondering what was the biggest underdog win in football. Specifically, have any team from the 10th tier ever beaten a top-flight team? After researching, I found a few matches but they were not sufficient for an answer: Carquefou (5th tier) vs. Olympique de Marseille (1st tier) Darvel (6th tier) vs Aberdeen (1st tier) I was wondering whether a 10th-tier team has ever beaten a top-flight team (including friendly matches, since such...
Originally asked by Backl on Stack Exchange (sports) (CC BY-SA 4.0).
