As a data analyst obsessed with football's underdog stories, I break down how a core group of Serie D veterans - including penalty-saving maestro Mattinelli and 'distribution monster' Bacune - evolved into Champions League winners through tactical adaptability. Using heat maps and CA/PA metrics, we'll explore how this team achieved a historic treble while maintaining their scrappy identity. Grab your spreadsheets, this is Moneyball meets Calcio.