The Green Brigade delivered an emphatic pre-match message before Celtic's Europa League clash with Cluj.
Parkhead was packed out and the ultras, known for their colourful banners, produced a hayemaker from the satnds as the players entered the pitch.
The supporters group cited a quote from legendary boxing icon Muhammad Ali about rising to the challenge and recovering from setbacks.
Celtic were looking for redemption after suffering a 4-3 defeat to to Dan Petrescu's side in Champions League qualifying that extinguished their dream of dining at European football's top table.
The banner read: "Ain't nothing wrong with going down, It's the staying down that's wrong."
Fans were treated to a pre-match party as supporters looked to raise the roof with the sell-out crowd making noise before Celtic and Cluj players entered the pitch.
Neil Lennon 's side know a victory will have them in a commanding position in Group E ahead of the double-header against Lazio.
