Is as if Lewandowski knows he will end up doing better for Barcelona last season, when Lewandowski was signed into Barcelona he gave fans assurance he will help Barcelona score goals to win laliga and this is what happened at the end of everything.
Lewandowski is one of best strikers in the last 20 years and he got many titles and awards with Bayern Munich. I remembered he told in one interview that he decided to move to Barcelona because he likes tiki-taka after some seasons with Guardiola and he wanted to explore it at its origin, Barcelona.
Lewandowski was the best signing for Barcelona last season, I still have the believe Lewandowski will still do better for Barcelona in this season because he is good in scoring goals, he never struggles to score goals. I haven't yet seen a striker that will challenge Lewandowski this season to score the highest goal.
Giving Lewandowski good passes and even with like a half of chance, he will be able to make great shots and converted them to goals for Barcelona. However, scoring goals only is not enough for a club as they need to have strong defense to win titles. Barcelona can not ask Lewandowski to improve their defense and they must train their defenders, defensive midfielders and look at the market to buy some defensive players to enhance their defense system.
That's what I feel is why Xavi needs to look for a pure striker like Lewandoswki. Ansu Fati is not a center forward and Fati's real position is as a winger. It will not be optimal to make it an option to cover Lewandowski's position.
Ansu Fati is like a forward than a winger but he has to show his ability more if he is too slow, he will be sold out. Barcelona can not wait for Fati too long as three seasons since his debut for Barcelona in 2019 -2020 season, he has been given some years to grow up.
Ansu Fati profile and there is rumor that Barcelona want to sell him to get money and it seems time is counting down for him. A coming season is important for Ansu Fati future in Barcelona and he should not waste that chance.