Haaland is likely to be in the middle of a bidding war with some of Europe’s top clubs, as some reports suggest he is keen on moving to a bigger club.
Real Madrid, FC Barcelona, and Manchester City have all been linked with the Norwegian striker who has revealed he will make a decision soon.
“The last six months, I have chosen not to say anything out of respect for Dortmund,” Haaland told Viaplay.
“But now the club has started to pressure me into making a decision, but all I want to do is to play football.
“But they press me to make a decision now about my future. So that means I have to make a decision soon.
“I have said from the beginning that I want to focus on football because that is when I am at my best, not when other things come into my mind.
“Now they have put pressure for a while. So it is time to get things started. All I want to do is to play football, but I can’t do that now.”