Signal Iduna Park on a Champions League night was a spectacle unlike any other in world football.
The Yellow Wall, 25,000 fans standing shoulder to shoulder in the South Stand, created an atmosphere that was both intimidating and inspiring, a wall of sound and color that seemed to lift the home team and suffocate their opponents.
On the night of April 8th, 2014, for the Champions League quarter-final second leg against Chelsea, the stadium was at its most electric, the fans sensing that they were about to witness something special.
For Mateo, the walk from the tunnel onto the pitch was a moment of profound significance. This was his chance for redemption, his opportunity to erase the memory of his error in London and to prove that he belonged on this stage.
