The extraordinary successes and records achieved by Bayer Leverkusen with Xabi Alonso at the helm will not be erased by a single defeat, what they have done over the last 2 years is nothing short of extraordinary, but unfortunately sooner or later it happens that you lose a match, too bad for them it was in the Europa League final. Let's say that Atalanta studied their opponent well before facing them, the match seemed very unbalanced from the very first minutes of the game
At some point in the match Bayer Leverkusen were appearing clueless in their form and performance especially in the first half after the second goal, their psychology did went down and I could see that they were almost appearing totally defensive so that they will be able to stop further conceding of goals but then it continued in the second half of the game of which I don't want to believe Leverkusen did well enough.
Some how I felt like there were some level of pressure around the game that Leverkusen couldn't handle because at this point everyone was aware they were about to make history and all that meanwhile Atalanta knowing all this understood the pressure and how well to take advantage of it to seeing how well they can be of a problem to Leverkusen and stop them from been able to win the trophy already so they added more pressure and increased it for Leverkusen to been able to handle. An early goal has always been the tactics of Atlanta as they did used it against Liverpool and it did worked.
Leverkusen would have been able to avert that losses if they were able to calm the pressure at the beginning of the game as that has already gotten them to have some flaws already in their form and their morales were down when they were now two goal behind because in oder to win they have to cancelled the two goals first after which they can now hop to score more goals to win.