Copa del Rey
Atletico barely defeated a sixth-division club
The Copa del Rey is a knockout-style football competition in Spain, founded in 1903. This tournament features teams from the top division of Spanish football as well as selected teams from regional leagues. The most successful teams in the tournament are Barcelona (31 titles), Athletic Bilbao (23 titles), and Real Madrid (19 titles). The all-time top scorer in Copa del Rey history is Athletic Bilbao legend Telmo Zarra, with 81 goals.