Germain kicked off their European adventure by welcoming Girona to the Parc des Princes for Matchday 1 of the UEFA Champions League's new league format. PSG entered the game riding high on a perfect start to their domestic campaign,

It took a huge blunder to gift Paris Saint-Germain victory in the first Champions League match of its post-galactico era.

There are a few things you need to know about Girona. In 1999, they were playing in the fifth tier. As recently as 2006-07, they were in Spain’s Tercera Division (which back then was the country’s fourth-highest league). Girona, the 11th-most populous city in Catalonia, is not a place known for its sporting achievements.

Paris St Germain take on Brest in Ligue 1 this weekend before beginning their Champions League campaign four days later but despite the extra games this season manager Luis Enrique has said there will be no change in how he operates.

Watch highlights as Nuno Mendes' last-minute goal, courtesy of a Paulo Gazzaniga error, seals a win for PSG against Girona in their opening Champions League match at the Parc des Princes.