Jurgen Klopp, the Liverpool manager, raised the possibility of a replay after Diaz’s goal was chalked off for offside due to a mix-up in the VAR room as Spurs went on to win 2-1 in stoppage time.
Asked if he would have let Liverpool score had the officials given him the chance, Postecoglou said: “I just don’t see that.
“If we want managers to be the arbiters of these kind of things… we’ve got pretty hefty responsibilities at our football clubs but we’re not the custodians.
“I wouldn’t make a decision that could potentially send a club down on the back of what my beliefs are.
“In that moment, if somebody could tell me that they could explain everything that went on within the prism of 30 seconds… I have to make a decision and it wasn’t going to happen.
“It’s different if it’s something clear. It was a bad error through a lack of communication but it wasn’t something that was easily explainable. If it was easily explainable, I would assume there would have been more uproar than there was.”
Diaz thought he had put Liverpool – who were down to 10 players at the time – ahead at Spurs, only for the assistant referee to flag him offside.
The VAR review showed the winger was actually onside but Darren England, the VAR, and Dan Cook, the assistant VAR, mistakenly thought the on-field decision had been to award the goal, meaning they told Simon Hooper, the referee, to stick with his decision.
Audio released by PGMOL reveals England and Cook were alerted to their error by the replay operator in the seconds after the game restarted with a Spurs free-kick.
The officials felt they were unable to alert Hooper to their error and advise him to award Liverpool the goal due to the IFAB laws which state decisions of that ilk cannot be reversed once play has restarted.
Speaking on Wednesday, Klopp said: “It’s really important that, as big as football is and important as football is, we deal with it in a proper way.
“All the people involved, the on-field referee, linesman, fourth official and especially in this case VAR, didn’t do that on purpose. It was an obvious mistake and I think there would have been solutions for it afterwards.
“Some people probably don’t want me to say but, not as the manager of Liverpool so much more as a football person, the only outcome should be a replay. That’s how it is.
“It probably will not happen.”
