Berbatov would like to see the teenager given a chance if United do not sign a big-name forward like Haaland.
“[Haaland] is the guy,” Berbatov said.
“He is still so young and the future is ahead of him. The amount of goals he’s scoring is unbelievable, he could be a great, great fit for United if he develops the same way as he is doing now.
“He is going to cost a lot of money obviously but for a talent like this, you can go and try your best to sign him.
“But honestly I would like to see Mason Greenwood develop and become better and better.