The greatest comeback in the history of soccer occurred at the Camp Nou in Barcelona on March 8, 2017. Barcelona made a six-goal comeback against PSG.
Luis Suarez (L) and Javier Mascherano of Barcelona celebrate victory after the UEFA Champions League Round of 16 second leg match between FC Barcelona and Paris Saint-Germain at Camp Nou on March 8, 2017 in Barcelona, Spain. Barcelona won by 6 goals to one to win 6-5 on aggregate. (Photo by Laurence Griffiths/Getty Images)