Champions League Shocks GFXGetty/GOAL

The top 10 biggest Champions League shocks of the 21st century: From Jose Mourinho's Porto stunning Man Utd to Chelsea's Camp Nou miracle

Pep Guardiola is on the cusp of immortality. The Spaniard is already revered as one of the greatest managers of all time, but he will have no equal if he brings the Champions League back to Manchester City.

City have dominated English football under Guardiola over the last six seasons, but a maiden European title has so far proven elusive. After several years of underachieving, they finally reached the final in 2020-21, only to be beaten by English rivals Chelsea, and suffered a heartbreaking defeat to Real Madrid in last season's semi-finals.

Guardiola's men exacted revenge over Real at the same stage this time around, though, and are now the overwhelming favourites to lift the trophy in Istanbul. Coppa Italia winners Inter are the only team left standing in their way, and no one is giving the Nerazzurri a chance against the Premier League champions. But that could be an advantage for Simeone Inzaghi. His Inter side can play without pressure in the final, having already exceeded expectations by making it this far.

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The Italian giants can also draw confidence from the past. The Champions League has seen a whole host of surprise results since the turn of the century, with lesser teams often raising their level to overcome insurmountable odds.

But which upsets have sent the biggest shockwaves through the footballing world? GOAL takes a look...