Liverpool boss Jurgen Klopp thinks the law that leads to assistant referees keeping their flags down for offsides while play continues "needs to be looked at" after Wolves goalkeeper Rui Patricio suffered what at first appeared to be a serious head injury on Monday night.
The Portuguese stopper collided with the knee of his teammate Conor Coady in a sickening clash as the pair tried to keep out an onrushing Mohamed Salah late on in the game at Molineux, which Liverpool won 1-0.
Salah had been played in by substitute Alex Oxlade-Chamberlain, but he was offside as he received the pass.
As the current guidelines dictate, the assistant referee kept his flag down until Salah put the ball in the net, only then raising it.
It isn't clear whether putting the flag up earlier - something assistants have been encouraged not to do as they have the backup option of VAR to determine offsides - would have prevented Patricio's injury as Coady was already racing back to try and stop Salah, but Klopp would like to see the law examined as it could prevent further injuries.
"Everyone sees it is offside but these are the rules," said the Reds boss.
"We've spoken about some rules that need to be looked at for sure."
Wolves boss Nuno confirmed that thankfully Patricio's injury was not as serious as first feared, with the goalkeeper sitting up and talking to medics after he had been prone on the turf for around 12 minutes.
Klopp said he was concerned for the former Sporting Lisbon goalkeeper having not initially seen what had happened.
"I only saw the impact obviously but not the situation because I watched the goal and then I saw the flag going up and I was surprised that the goalie is on the ground," he said.
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"But I heard how it happened and in these moments everything loses importance immediately.
"I don't know how long it took exactly but seven, eight minutes and that's really long and then you worry even more.
"We wish him all the best, a good recovery and hopefully it will be fine immediately."
