“Hard to lose the Supercopa final when we were so close,” the La Masia youth product wrote on Instagram to accompany a photo of him looking serious and pondering defeat post-game.
“It’s time to get up and continue fighting for all that remains this season, that’s why we’re Barcelona!”
Puig played just a few minutes of extra-time as Barcelona were defeated by a well-drilled Athletic side thriving under the stewardship of Marcelino, their new coach.
The Blaugrana twice took the lead through Antoine Griezmann only to conceded a 90th minute equaliser. Inaki Williams then hit a stunning golazo to ensure the first title of the season would be heading back to Bilbao rather than Barcelona.
The 21 year-old was integral in the semi-final, however, volunteering to take the decisive spot-kick as Barcelona beat Real Sociedad on penalty kicks.
Puig is a divisive figure at Camp Nou. Ronald Koeman has spoken extensively that the youngster needs to go elsewhere to find first-team football, like Carles Alena has done by joining Getafe on loan until the end of the season. Puig, however, has stayed put.