However, he insists see such players at Anfield is unlikely.
"Do I know what we have to work with? Yes, not a lot, anyway," Klopp said.
"We cannot speak for years and years about our structure or whatever, it is always how it is.
"It depends to the business, what happens, if someone wants to leave or if players want to go, if we sell, so we can never really plan early.
"But not playing in the Champions League doesn't help, but it is not our biggest problem because the market will be really strange.
"I hear a lot about big-money moves, I don't know if Kylian Mbappe is going or not, whether Haaland or Sancho will, these kinds of players.
"I don't see that happening this summer because the football world is still not in the same place it was before."