There are some transfer rumours that just seem to stick.

All it takes is a few whispers, a social post or two and a group of fans to get behind it and hey presto, you have hope and a hashtag.

Kylian Mbappe has been the main player linked with a move to Anfield but Jadon Sancho isn't far behind, and reports today have intensified around the Dortmund sta r.

It should come as no surprise to see one of Europe's top fledglings being linked with a transfer to Europe's top outfit. This is a commonality which comes with the best in the world territory Liverpool are currently occupying.

Jurgen Klopp is well aware of Sancho's talents. He's said as much in the past and interest in top players comes with the territory of being a huge club.

But there are reasons why interest might not necessarily translate into anything concrete in the summer.

The first major issue the Reds would encounter is the cost - with Sancho worth in excess of £100m.

As Liverpool have shown in the past they aren't likely to splash the cash on an impulse, they do it with precision.

And usually with some sort of outgoing to help balance the net spend scales and most importantly, Klopp's carefully constructed playing squad.

The £145m sale of Philippe Coutinho in 2018 helped result in the purchase of Virgil van Dijk as well as Alisson Becker.

And while Coutinho was expendable, Van Dijk and Alisson were necessities, Liverpool desperately needed a central defender and a goalkeeper and so made their move in the market.

Therefore, if the club were to move for Sancho, or indeed Timo Werner or even Mbappe, there would have to be not only financial feasibility but space in the squad for an attacking player.

And will Liverpool want to part ways with the world's best front three of Mohamed Salah, Sadio Mane and Roberto Firmino? Absolutely not.

This leads us into another overarching issue of the player's desire.

Sancho is currently a mainstay for Dortmund, would he accept a Liverpool switch in the knowledge he may not be starting every game? Especially should the likes of Chelsea or Manchester United, where he is almost guaranteed a starting berth, come calling.

The teenage sensation has scored 15 times and made 17 assists in 29 appearances this term. A phenomenal return, and the kind of creativity and influence you couldn't condone being back-up or being benched.

This also applies to the aforementioned Mbappe, who will not just want, but demand to be starting week in, week out. This is something Liverpool couldn't - with their current crop of talent - guarantee.

But nor will they allow the sale of such talismanic figures.

We have yet to discuss the finer details too. If a player is bought for a record-breaking fee of over £100m, it is reasonable to think they would expect to become the club's top earner.

This prospective break in the current wage structure could wreak havoc beyond repair in a dressing room which is so finely poised.

This is why negotiating a new deal with Divock Origi was paramount. It was a just reward for the valiant Belgian who played his part in Liverpool's treble success of 2019.

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But tying Origi down on a long-term deal was wise work from all involved, with the 24-year-old seemingly happy to embrace his role as back-up.

The arrival of Takumi Minamino for a £7.25m in January also feels like clever business from the transfer savvy Michael Edwards and co.

Minamino, bought for a fraction of the price Sancho would cost, is a low risk transfer. If the Japanese international isn't a hit at Anfield there will be no love lost.

The pressure on a player like Sancho or Mbappe to perform would be much greater. Virgil van Dijk and Alisson have made it look straight forward but that isn't always the case.