Multiple reports suggested on Thursday that the principality club had rejected an initial £44.5 million offer from Manchester City, but the Independent says that Monaco are holding out for a cool £50m.
For more on Benjamin Mendy to Manchester City, as well as other rumours, check out Transfer Talk by clicking here.
Things change in the blink of an eye in football. The Football Whispers Index takes the latest transfer rumours and gives them a score out of five; the higher the score, the more realistic and reliable the whisper.
Here are today's top five emerging whispers for the summer. And keep an eye on Transfer Talk for all the latest gossip.
Danilo to Manchester City
The full-back positions were seen as areas of weakness within Manchester City's squad last season and they seem intent on rectifying...
The ins and outs at this summer's busiest Top Six club continue apace, with the departure of Joe Hart on loan to West Ham and the imminent arrival of Real Madrid's ex-Porto flier Danilo.
Having secured a high-quality right-back in Kyle Walker, City are about to announce the signing of another to secure in one fell swoop the two places vacated by Pablo Zabaleta (who is also bedding in at West Ham) and the free agent Bacary Sagna. With Dani Alves' last minute "betrayal" of a spoken promise apparently...
Only time will help to identify the best and worst transfers of this summer, but it's clear that the most divisive deal of the window so far is Kyle Walker's move from Tottenham to Manchester City, which could reportedly be worth upwards of £50 million.
While City fans seemed pleased enough with their acquisition last week, others in the game were not so kind. Former England striker turned TV presenter Gary Lineker wondered what Walker would be worth if he could cross a ball and columnist Oliver...