"Gary Neville is a red, he hates scousers", or so goes a chant you'll often hear in the Stretford End.
The former Manchester United defender and Sky Sports pundit is admittedly not Liverpool's biggest advocate.
In fact, he devotes a huge amount of time and energy into making regular digs at Jamie Carragher over the Reds' failure to win a league title since 1990.
However, not one to let that stand in the way of his professional opinions, Neville has actually come up with some pretty useful advice for his old rivals.
Other fans might be rejoicing in Liverpool 'bottling it', having been top going into the international break in November.
That isn't necessarily the case, though.
While it's easy to put their collapse in 2017 down to a weak mentality, Neville insists it's actually a question of tactics.
Liverpool's biggest problem
"I'm not sure it is psychological because it's happened so many times this year," he told Sky Sports.
"I think there's a style and tactical issue in terms of how Liverpool play.
"We've seen some incredible performances from them in big games where teams have come at them and are open and expansive. But when Liverpool play a team who sit back and go into their shape, they don't seem to have a Plan B.
"This current Liverpool are held back by the fact they haven't got the strongest squad, but they have been helped this season by the fact they've got a good programme.
"They don't have a Plan B in terms of being able to control the game in a different style, and when teams don't allow them to use their energy to press they're far less effective."
Top four is the aim
The title might be out of reach, but Klopp must now be aiming for Champions League football.
On that matter, Neville added:
"They have a great chance of getting into the top four, but they do have to overcome this style problem."
Klopp must wish his side only ever had to play the top six.
The Reds are unbeaten against Chelsea, Arsenal, Tottenham, Manchester City, and Manchester United this season, but have slipped up against the likes of Swansea, Hull, and Leicester.
If the idiosyncratic German is good at one thing, it's rallying the players and supporters at Anfield into perhaps overachieving with very limited squad depth.
It seems unlikely that Liverpool's mental strength is lacking, but Klopp would do well to heed Neville's advice about his tactics.
Has Klopp got his tactics wrong against bottom half teams? Have your say in the comments.
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