Only three teams in the 21st century have won a European title without losing a single game during the campaign:

πŸ† 2005-06: Barcelona
πŸ† 2007-08: Manchester United
πŸ† 2018-19: Chelsea

Maurizio Sarri’s side the first to do so in the #UEL. pic.twitter.com/CAzxoSQSKm

— Squawka (@Squawka) May 29, 2019