The Bundesliga is now getting tighter, we don't see what used to happen in previous seasons where Bayern Munich could comfortably dominate the Bundesliga, but this season looks a little different, this is something we really expected. I don't know, but I feel that Leverkusen's success in winning the Bundesliga last season was a big motivation for other teams that they could do the same, that's what ultimately made the competition tighter as we see now.
But this is just the beginning of the season which I hope that this will happen until the end of the season. Because one of the problems that is often faced by several teams is that they decline when entering the second half of the season which makes their standings even more distant.
Since Leverkusen won the league title last season, I expect this season to be more difficult than the previous season. Because Leverkusen winning the league last season, is going to be a big motivation for other clubs, Leverkusen came out of no place and won the league last season, they can do it as well. I don't believe the Bundesliga has any weak teams because if you underestimate any club, they can beat you. You are right that lots of teams' performance can drop at the end of the season, but Leverkusen motivated several teams last season. Let's see what happens at the end of the season.
If Real Madrid brings him to the team, I think it would be a big deal because Real Madrid still has problems in the center back area. Due to these problems, they can concede surprise goals and get some unexpected results in matches. If we think about Leverkusen, it will be a big loss, but I'm sure Xabi has thought about who to get instead of him. If Tah leaves the team, there will be problems in the center back area.
Jonathan Tah was close to joining Bayern Munich at the start of the season, he told the club that he wanted to play for Bayern Munich and did not want to continue playing for Xabi Alonso this season. However, the deal was not possible due to the large number of players recruited by Bayern Munich this season. If Tah leaves at the end of the season, it would have an impact on Xabi Alonso team performance, so he must bring in another center back to adapt at the right time. However, if rumors regarding Real Madrid interest in this player are real, the club may sell one of its defenders, possibly Alaba, who has been absent since the previous season.