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Losing Lewandowski is indeed a big burden for Nagelsmann for next season. because so far Bayern Munich has relied on the services of Lewandowski in the attack line and he has really done his job well. Sadio Mane will have a big burden next season because indirectly Sadio Mane is a player who will replace the position left by Lewandowski. Can Sadio Mane be aggressive in front of the opponent's goal? I think he should be able to prove it.
Lewandowski is not a player who is only spoiled by other strikers with their assists, but he also often struggles alone to create more pressure with his attacks. The job a coach is to placed Sadio Mane to change Lewandowski but it's not as easy as turning a book, but I also have no doubts about Sadio Mane only it will take a time. Hope he can show his best performance soon, with the experience he brought from the premier league.