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Former referee Dermot Gallagher has called on the Premier League make an instant law change after Everton's James Tarkowski emerged with only a booking following a wild challenge in the Merseyside Derby.

Meanwhile, Toffees skipper Tarkowski was issued only a booking, with VAR Paul Tierney having identified no clear and obvious error with referee Sam Barrott's initial on-field call.

Speaking on Sky Sports' Ref Watch, the retired referee acknowledged that the tackle fulfulled all the critera of the Premier League's regulations on Serious Foul Play - meaning Tarkowski should have been sent off, based upon the division's rulebook.

It's quite refreshing to see the PGMOL come out this morning and say they think it's a red card."

The Professional Games Match Officials (PGMOL) has now stated that the tackle should have resulted in a sending off for Tarkowski.

It's about how strong he comes out of this."

He added: "I think post-season is too late, it has to be today

They've acknowledged that this morning and I think they'll be working with the referees, saying look 'we've looked at this and think this tackle isn't permissible' and explaining why and saying to referees 'if you see this kind of tackle, this is how we want it punished'."

"If the referee doesn't see the tackle and the VAR sees it, they've got to alert the refree to go and have a look [at it] and guide him that this is ticks [all the neccessary] boxes [for a ] red card
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