Danny Murphy believes the two managers will be the deciding factor in Saturday's result

That is according to pundit and former Reds star Danny Murphy.

This Saturday's grudge match between the two arch-rivals will showcase some of the world's best players.

But on the sidelines, two of the greatest tacticians will be battling it out to bring home the three points.

And according to pundit Murphy, the game will be won or lost based on the decisions of Jose Mourinho and Jurgen Klopp.

"The tactical aspect of the game is more important than any individual battle," Murphy told the Premier League's official website.

"United aren't going to want to leave Mohamed Salah one on one.

"Because they've got so much pace now, and Philippe Coutinho with his creativity, United are probably going to defend in numbers.

"Coutinho's the one to make them tick. If you keep him quiet you could be in with a chance.

"But when you've got players like Salah, teams automatically drop. Because if you leave them space to run into they'll kill you.

"So your game plan has to change."

Jurgen Klopp needs to get the tactical advantage over Jose Mourinho this weekend

United boss Mourinho is renowned for his expert tactics in big games.

And Murphy believes the former Chelsea boss has the ability to mix it up and surprise Liverpool.

"You never know with Mourinho, he can change his ways," he said.

"He has been known to be pragmatic and put everyone behind the ball and nick a 1-0 win. But he's done the opposite at times.

"When he went to Chelsea [last season] and went man to man [marking], it was brilliant.

Jose Mourinho has enjoyed a solid start to the season with Manchester United

Liverpool demolished title-rivals Arsenal 4-0 earlier in the season, using a counter-attacking style of play.

Murphy thinks Klopp will need to revert to those tactics to beat an in-form United this weekend.

"When Liverpool beat Arsenal so convincingly at Anfield, Liverpool kept dropping off," he continued.

"There was no high press. They let Arsenal have it.

"And then when it got to a certain point they pressed and kept hitting them on the break and killing them because Arsenal were high up the pitch. Liverpool were tactically brilliant that day."