Honestly, Leverkusen went 51 games unbeaten, even though they did ended up losing at the finals, that doesn't mean that they had a bad season overall, winning the league at Bundesliga is already a huge achievement, no team achieved that over Bayern in over a decade, so being able to do that alone is so greatest in my perspective.
Plus, they are going to play the cup game, which I really feel like they are putting some immense pressure on themselves now, they had confidence that they can beat anyone, but after Atalanta I am damn sure that they are not entirely sure.
But to be fair, they are playing a team one division below so it would be even bigger shock if they lose. They will most likely finish with a double, and that is going to be a great thing for them, we shouldn't judge them on just one game.
But what is certain is that even though he lost in the European final, Xabi Alonso has proven that there has been improvement in his first year coaching, the semifinals are now final even though he lost. so the praise for Xabi Alonso is very deserved, and maybe next season Xabi Alonso will make a big surprise in the UCL league.
Indeed, this was Leverkusen's first defeat this season which was very painful because the defeat occurred in the final. However, Leverkusen's achievements this season are truly extraordinary, with 51 matches unbeaten. It will take a very long time for another team to break Leverkusen's current record. I think that by losing to Atalanta in the European Cup final, Leverkusen will vent everything in the DFB cup, especially against a team that is far below them, of course the DFB Cup trophy belongs to Bayerkusen so they can combine the two trophies this season.