if barca-psg should be replayed then fist replay real madrid vs atletico champions league final in which sergio ramos scored an offside goal and was allowed.

links in reference to support barca vs psg decisions-

https://translate.googleusercontent.com/translate_c?depth=1&hl=en&prev=search&rurl=translate.google.co.in&sl=es&sp=nmt4&u=http://www.mundodeportivo.com/futbol/fc-barcelona/20170311/42783939609/graziano-cesari-arbitro-internacional-italiano-penaltis-barca.html&usg=ALkJrhjHUyw9fwoCApgyxqW80ncrTlKZsg

links in reference to ramos offside goal-

http://metro.co.uk/2016/05/28/was-sergio-ramos-offside-when-scoring-real-madrids-opening-champions-league-final-goal-5911032/

http://www.sport-english.com/en/news/liga-bbva/sergio-ramos-champions-league-final-goal-was-offside-5165729