Arsene Wenger and Jose Mourinho were both left stunned as Liverpool's supporters belted out You'll Never Walk before the Champions League final.
The Reds sold out their allocation for the clash at Atletico Madrid's Wanda Metropolitano Stadium, with the Spanish authorities estimating that around 50,000 Liverpool fans were in Madrid today.
Reds fans are renowned for being passionate about their side, but they way in which they sang their club's anthem left the pair, at the game as pundits for beINSPORTS, in amazement.
When asked by the presenter what they made of the atmosphere, Mourinho replied: "This is more beautiful than what we can say!".
Before former Arsenal boss Wenger added: "It's unique!"
A win for Jurgen Klopp's side in the Spanish capital would hand them their sixth European crown, and cap a memorable campaign both at home and abroad.
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