'Endless money' is a problem in transfer market, says Liverpool's Klopp

Liverpool boss Juergen Klopp said it was difficult for the club to keep pace in the transfer market and called for more regulation after they missed out on targets and saw players leave for Saudi Arabia.

Liverpool lost out to Premier League rivals Chelsea, who completed deals for British record signing Moises Caicedo and fellow central midfielder Romeo Lavia, who were both targets for Klopp's side.

Klopp also lost two of his midfield stalwarts in Fabinho and skipper Jordan Henderson to Saudi Arabian clubs in the close season.

"I'm not sure if it's something to do with Liverpool finding it harder to attract (players). Everything is more difficult ... There are a lot of things that are different this year since last year as well already," Klopp told reporters on Friday.

"Some clubs have a different way to do it and nobody understands 100 per cent how it works, but somehow so far it works. As a normal club, it's really difficult to catch up with them ... I don't blame anybody. It's just how it is.

"Saudi Arabia, on top of that, made things not easier. Our window ends Aug. 31 (Sept. 1). The window there is still open so (if there are) players that aren't happy, then they will come again with even bigger offers."

Klopp said two weeks ago nobody would have guessed Neymar would move to Saudi Arabia where he has joined Al-Hilal, highlighting how the league is trying to grow and compete with the popularity of Europe's top leagues.

"It's not written in stone that everyone has to watch the Premier League, or LaLiga or Bundesliga. It's absolutely fine if they try to grow the league. We don't have the right to say that's not allowed," he added.

"China tried it, USA is trying, so it's absolutely fine... But the endless money causes a