Paul Dickov says Ellen Harlan has the potential to push Manchester City to the next level despite their full potential.
On Tuesday, months of speculation came to an end and Manchester City have confirmed in principle that they have agreed a fee with Dortmund.
Manchester City, meanwhile, have won their second Premier League title and their sixth in ten years, with Liverpool just one game away from the top of the table.
Dickov, who played on the Sky Blues with Haaland's father Alf-Inge, spoke privately with Stats Perform and believes the 21-year-old striker could improve City under Pep Guardiola.
"They won last year without a center-forward attack," Dickov said. "I know it will be very difficult this year. "But we have a little bit of an advantage over Manchester City while we stand. It shows that you can do it without signing.
"If only Erling Haaland had been at this club this year, I think Manchester City would have been blind in the last few weeks.
"I've been following Erling for a long time, and my connection to his father and his development for Dortmund has obviously improved since his first start so far.
The Norwegian national team has scored 28 goals in 29 appearances in all competitions despite injury.
"I do not think it 's a good idea to do that. I do not think it' s a good idea. I do not think it 's a good idea. I do not think it' s a good idea. I do not think it 's a good idea.
"People can argue that. Manchester City scored five goals against West Brom last week. "We can say we scored four goals against Leeds, but they missed out on number nine."
"I think every player who comes to Manchester City has a new style of play for them. They have a new style and they already have quality players. I look at Ellen's progress.
"This Brahmin," he said. Riyadh Marez Jack Grealish Phil Foden You can keep up with players like Bernardo Silva, but the amount of opportunities they can create, they need to end up with each other. Do it. "Erling Haaland is one of the best in the world."