In demand Erling Haaland Borussia Dortmund’s team-mate Mats Hummels warned that the lawn “isn’t always greener”.
The striker has scored 68 goals and provided 19 assists in just 67 games for the Bundesliga club, leading to a number of transfer speculations.
Haaland is under contract with Dortmund until 2024 but a release clause will go into effect next summer allowing him to leave for just £ 64m.
Both Manchester United and Man City are following the 21-year-old hotshot and Real Madrid are also interested but may not be able to sign him and Kylian Mbappe in one summer.
In an interview with Bild (via SPOX) Hummels said: “I can fully understand him if he wants to stay!
“Because it’s great in Dortmund, because he knows what he’s got here. I haven’t given up hope that he’ll stay long.
“The grass, on the other hand, isn’t always greener. You should really be aware of that in football.
“It’s worth a lot when you have a good environment and also feel comfortable with the boys.
“You have to appreciate that. This is not the case with every club. So we have a lot to offer Erling, it’s not like that. “
The 32-year-old Hummels left Dortmund and returned to Bayern Munich in 2016, where he began his youth career.
The German spent three successful years in Munich before moving back to his “home football”.
Regarding his move, he said: “After the discussions with those responsible in Munich and Dortmund, it quickly became clear to me that my footballing home would be with BVB again in the future.
“And that’s why I’m really looking forward to coming back to Dortmund and hopefully building on the successful years before! Let’s go BVB … “
⚽ Read our Live blog about football news for the latest rumors, gossip, and deals made