Barcelona have so many talented players, the problem is just the coach. It's very rare a good player can become a good coach, same like Xavi Hernandez. What make Barcelona strong is because of high individual skills, the team play and strategy aren't different from one to another match.
Although Barcelona able to win the last season La Liga, it's an achievement, but they're still not developing.
I even saw that in Xavi era Barcelona had shown better progress than the previous coach. I think if we look at the current developments for sure Barcelona is on a better path because Xavi has started to show better development of the strength of the team or the depth of their squad.
I think for now Barcelona have shown their strength in Laliga and I'm sure next season Barcelona will focus all their strength on the Champions League. Apart from that, I think there are things that are interesting for the depth of the Barcelona squad because next season Gundogan will be one of the additional factors for their midfield which will make Barcelona very reckoned with in the Champions League.
This time Barcelona will have a harder season because Real Madrid gut much better players and they are trying hard to improve their performance for the next season. However, the Barcelona we saw in the last season with Xavi, got enough strength to even race for the champions league.
The biggest problem with Lewandowski has rather been to have a difficulty in scoring goals in big games in the Champions League. I watched him waste so many opportunities against big teams there which cost them high in the group stage later. I don't want to put the blame on only him of course don't get me wrong about that. The team effort was also inadequate in such games.
But in this season Xavi will be expected to do better in general as I said. Not only the team effort but also Lewandowski should make a big improvement in their performance in the Champions League. This level is still enough for the La Liga title but enough to be more successful in the Champions League.
In his first season, Lewandowski needed to adapt and also Barcelona's performance, especially in midfield, was not so good, so I think the supply for Lewandowski is still lacking. League, but if you look at Barcelona's development that was built by Xavi I'm sure that in the next season they will continue to grow and Lewandowski will of course still be their mainstay on the front lines, with the quality that Lewandowski has, it's not impossible that he will be much better this season front with adequate midfield supply.
When Lewandowski left Bayern Munich for Barcelona some people were the thing he won't have the same performance in Barcelona also since he is an old player, they were thinking buying Lewandowski was not a smart move at all. While the fact about Lewandowski is he just needs some time to adapt himself to his new team.
However, I think since he getting old, Barcelona should start seeking another forward soon.
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I also personally think that if Mbappe leaves PSG and joins another team, then PSG will break the basic structure of the team. Because Kylian Mbappe is one of the best players in the attack, it will be very difficult for the team coach to fill that need by replacing him with another player.
That's why PSG doesn't make it easy for any club to buy Mbappe, after all, I'm sure that if there are other clubs, including Real Madrid, want to accept the price offered by PSG, the PSG management will still raise the price again to be able to have the highest bid and make it difficult for Real Madrid to brought in Mbappe.
Maybe many PSG fans don't really like Mbappe, but basically Mbappe plays a very important role in the PSG squad.
If next season the contract runs out and there is no further extension then I'm sure PSG will experience a decline in playing performance because several attacking players who can be relied on have left one by one.
If Mbappe really like to play for Real Madrid he will definitely join his season in this season or the next season and he will not accept the offer from PSG to extend his contract even if they pay him more money for the next contract. But I think Real Madrid should think about an Alternative option for Mbappe.