Next season will not be easy for Leverkusen if they don't give Xabi the new players he wants, we know they will be competing in the Champions League next season and there will be many teams they will meet with fanatical squads, in this case I hope Leverkusen management spends money to convince several players to strengthen Leverkusen next season.
Of course, with their success this season we cannot be sure what next season will be like, of course the Bundesliga clubs will also strengthen their sectors so they can compete with Leverkusen and other teams, next season will of course be different from this season.
With the current players, Leverkusen is still capable of competing in every competition next season, but if they want to strengthen the team next season, they should add more players to their squad because we have seen how their performance was weak in Europe League final. Their performance was strong from the start of the season but they couldn't maintain their winning ways against Atalanta. If the management is not going to buy more players, they shouldn't sell off their current players during the transfer window because that will have an impact on their games next season. Of course, the Bundesliga will be more challenging next season because every team will buy more players since Leverkusen has broken Bayern Munich's record for winning the title this season, I believe every team in the Bundesliga will feel strong enough to win the title next season. So the management needs to get more players because other clubs have understood their way of playing this season.
I don't doubt Xabi Alonso because what they got this season is the result of his hard work since last season, not just luck, so it is possible that this can continue or even get better.
The heavy pressure next season will definitely be from Bayern Munich who will grow even stronger to compete for the title and of course that will make the Bundesliga competition even more competitive.
Whatever they achieved this season we can call it hard work or by luck. In my opinion, if it was hard work they could have put more strength in the Europa League final. However, I doubt Xabi Alonso for next season because it is not only Bayern Munich that will pressure them for the title next season, I believe that many clubs will improve their games next season, like Stuttgart who finished the season in second place. Let's see if the history will repeat itself next season.