RB Leipzig's Tyler Adams and teammates celebrate as Atletico Madrid's Joao Felix looks dejected after the match against Atletico Madrid at the Estadio Jose Alvalade in Lisbon August 13, 2020. — Picture by Lluis Gene/Pool via Reuters

LISBON, Aug 14  — There is little in modern football that can truly be described as a fairytale romance but RB Leipzig’s journey from Germany’s regional league system to the last four of the Champions League in just 11 years surely gets close.