The rule was changed in 2009 to say that the Champions League does not get to be kept by a team that wins it three times in a row or five times overall.
Liverpool vs. Real Madrid result, highlights and analysis as Vinicius and Courtois inspire Los Blancos to 14th European title
Soccer! Champions League has some welcome suspense this year - Los Angeles Times
On Real Madrid, Ronaldo and the March of Time - Managing Madrid
Transfermarkt] Teams who have won the treble. League+ Cup + UCL : r/soccer
Chelsea ousts Real Madrid to set up all-English Champions League final vs City - The Boston Globe
Pep Guardiola's Man City side won't have Champions League badge even if they win it
Real Madrid vs. Club America set for Tuesday night at Oracle Park
Will Real Madrid keep the original UCL trophy or will it be returned back? - Quora
Can Real Madrid win a third Champions League in row? - Quora
Así gana el Madrid: the tactical identity of the greatest club in the world, by Clarissa Barcala