http://www.fifa.com/news/y=2017/m=12/news=the-week-in-numbers-2925558.html says: "0 games is what Alianza lost en route to winning the Salvadoran Clausura – something no team had managed over the last 20 years (16 wins, 11 draws). Santa Tecla had lost seven times en route to conquering the previous year’s Clausura."