Below is a summary of the full article. Click here for the full version or go back to LFC Live.net
It comes as Newcastle could face backlash over its Alexander Isak plans.
Liverpool has been keen to bring Alexander Isak over from Newcastle, having already had one offer rejected, but now it all hinges on Newcastle's own transfer ambitions as they hunt for a replacement.
If Liverpool is to secure Isak, it may well need to fork out more than the £116 million ($157 million) Premier League record that persuaded Bayer Leverkusen to let Florian Wirtz go.
Newcastle omitted Isak from their squad for Saturday's match against Aston Villa amid signs he has declined to play for the club, but a goalless draw underscored their need for a striker - whether that means retaining the Swede or splashing out to compensate for the loss of last season's top scorer.
Read More.
Earlier in the window, it seemed a £35M ($47.4M) bid might be sufficient to secure the Congolese international, but the Mail suggests that the asking price has risen to at least £50M ($67.5M).
Newcastle could conclude the window with two new strikers, having already let Callum Wilson depart for free.
Goncalo Ramos, who netted for Paris Saint-Germain in the Super Cup, is another possibility.
The future of Isak is thought to hinge on the Wissa deal.
The same source suggests that failing to secure the 28-year-old could increase the likelihood of Isak remaining at St James' Park, with the next 24 hours seen as pivotal.
"It's a difficult one to answer," Newcastle manager Eddie Howe told TNT Sports when questioned about the Isak situation.
However, there's still a gap in the squad, with Luis Diaz and Darwin Nunez both leaving this summer to help the Reds raise funds for a potential Isak move.
Federico Chiesa was among the scorers on Friday, netting his first Premier League goal, and Slot indicated that the Italian isn't going anywhere despite rumours of a summer departure
For more news relating to Newcastle United, visit our sister site NUFC Latest Live.