Liverpool announced on Thursday that Mane had agreed terms on a new long-term contract following Roberto Firmino and Mohamed Salah, who both signed five-year deals at Anfield in April and July respectively.
Philippe Coutinho, Luis Suarez and Raheem Sterling have all left Liverpool in recent years in big-money transfers, but Klopp feels the club are now in a position to convince players that staying put is best for their careers.
“It’s not that I say to him: ‘Good morning Sadio, you are world class,’ but it is obvious sometimes that he is not aware of that,” Klopp said at a news conference.
“We all expect these boys to be finished in their development pretty early in their life. But he’s coming up to the best years of his career and he did really well without acknowledging it.
“I’m really pleased, really happy about the fact he’s signed this contract. It’s really a big signing. If a player is in a very good moment in his career and you can extend the contract, it’s more than just a signing, it’s a statement. I’m happy about that.
“It shows a bit of the change the club made in the last few years. A few years ago it constantly happened that players in a very good moment thought they had to leave the club to make the next step.
“Now our boys obviously think they can make the next step here. That’s good.”
On the subject of players leaving Liverpool, Klopp rejected the idea that summer signing Fabinho was unhappy and would leave the club in January.
The Brazil international, who has played eight times for Liverpool following his move from Monaco, has been linked with a return to France at Paris Saint-Germain.
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