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The secret of how to stop Liverpool's potent attacking trio of Mohamed Salah, Roberto Firmino and Sadio Mane has supposedly been revealed in the new Manchester City documentary All Or Nothing.

The eight-part series which provides a behind-the-scenes account of City's 2017/18 Premier League title-winning season was premièred on Wednesday night.

In the opening episode, City manager Pep Guardiola is shown going through a detailed tactical dossier about how to try an thwart the Reds biggest three threats.

The team briefing takes place in a lecture theatre ahead of Liverpool's Premier League trip to the Etihad with Guardiola's players focusing on their instructions as the former Barcelona and Bayern Munich boss shuffles magnets around a whiteboard to reinforce his tactical plans.

The Mirror reports that with a key message to “close the channels”, the areas where Guardiola believes Salah and Mane could be most potent, he says: “Today I'm going to explain to you what they do in attack, with the ball – Liverpool.

“It's a team who is so good at running - runs in behind - because the men up the pitch are so important.

“Just focus today, when the ball is outside, close the channel. Mane and Salah, play in those positions, so when the ball is here (midfield) they make the move or put the ball here (the channel).

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“They are so fast. Even when the (City) full-back has to go, try to make that movement (out wide) to close here, the play here (inside). Okay?”

The strategy worked on the day as City triumphed 5-0 – with Liverpool having been reduced to 10-men after Mane's sending off for a high challenge on goalkeeper Ederson – but since then the Reds have enjoyed the upper hand.

A 4-3 win for Jurgen Klopp's side at Anfield in January was City's first of only two Premier League defeats all season as they romped to the title with 100 points.

Liverpool then overcame City both at home and away in their Champions League quarter-final clash, with an emphatic 3-0 victory at Anfield followed up by 2-1 success at the Etihad.

And they even made it four wins in a row in an International Champions Cup pre-season encounter last month, coming from behind to defeat City 2-1 in New Jersey so those results combined with the public exposure of Guardiola's methods may now force the Spaniard into some fresh thinking!

All Or Nothing is on Amazon Prime Video from Friday August 17.