The Premier League has twice voted not to increase the number of substitutes and the subject was not raised at a meeting of the clubs on Thursday.
“Nobody thought [five substitutes] would go through,” said Klopp.
“I told you about the facts in the managers meeting; if we were allowed to vote, it would have gone through with 15-16 votes.
“But that it hasn’t happened since is a sign that some [Premier League] shareholders see it differently to their managers.
“That is not a good sign, to be honest, because it shows they ignore player welfare. The coaches don’t do that but these people do.
“If you don’t have a chance to vote for it, then you have to accept it for the moment – but, because it’s about player welfare and mental health, we will not stop fighting for it. It’s the right thing to do.”
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