Has any team ever gone an entire season unbeaten? Top European football clubs without loss as Bayer Leverkusen chase history

Bayer Leverkusen were crowned Bundesliga champions thanks to a phenomenal campaign that has ended Bayern Munich's stranglehold on Germany's top flight.

What is even more remarkable is that Xabi Alonso's vibrant, thrilling team have done it all without losing a game. Not one.

This unbeaten run extends beyond the Bundesliga, with Leverkusen having also plotted an unblemished path to the UEFA Europa League quarterfinals and the DFB-Pokal final.

As they enter the final stretch and begin to prepare for some unforgettable celebrations, we have a look at some of the great "invincible" teams that Leverkusen are aiming to place themselves alongside.

43 - Leverkusen are unbeaten in 43 consecutive matches in all competitions (W38 D5), equalling the record by a team in the big-five European leagues (also Juventus from May 2011 to May 2012). Nimbus. pic.twitter.com/QaS3jcLIfX

 Bayer Leverkusen win Bundesliga title 2023/24: Xabi Alonso's team end Bayern Munich dominance

There are many teams who have managed to go entire league seasons without losing a game, and some of them even produced 'perfect' campaigns by winning every single match.

Others have gone whole domestic seasons — including leagues and cups — without defeat. If Bayer Leverkusen can also go a complete European campaign without losing a single match, it would represent one of the finest achievements in modern football history, rivalling that of some of history's other 'invincible' sides. You can find a list of many of these teams here.

We have focused on six of the most famous examples from among Europe's top five leagues (England, Germany, Spain, Italy, and France), across both men's and women's football.

The modern benchmark and certainly the most famous undefeated season in