The pre-match atmosphere at Signal Iduna Park on October 19th, 2013, carried an electric anticipation that seemed to vibrate through the stadium's steel and concrete as 80,000 Dortmund supporters prepared to welcome back their young international star for his first home match since helping Spain secure World Cup qualification.
The Yellow Wall's songs echoed with particular passion, their voices creating a wall of sound that spoke to their understanding that they were witnessing something special in its early stages.
"Atmospheric analysis: crowd enthusiasm elevated beyond normal domestic fixture levels due to subject's international recognition," the System observed as Mateo completed his pre-match warm-up routine. "Home support demonstrating pride in local player's international achievements while maintaining club loyalty."
