Which team achieved one of the most memorable comebacks in football history by overturning a 4-0 deficit?

FC Barcelone

FC Barcelona created a historic moment in football when it overcame a 4-0 deficit against Paris Saint-Germain in the 2016-2017 season. Trailing after the first leg, Barcelona's players returned to their home ground with unwavering determination, winning the return match 6-1 in a breathtaking end to the game. This victory, now known as "La Remontada", remains a testament to the fighting spirit and exceptional quality of the Catalan team. This feat is often cited as a perfect example of why football is called the "beautiful game", offering intense emotions and unpredictable turnarounds.