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. And keep an eye on Transfer Talk for all the latest gossip.
Jack Grealish to Leicester City
Grealish's outstanding season in the Championship with Aston Villa has not gone unnoticed, and Leicester City are reportedly plotting a move for the midfielder. Claude Puel views the Solihull native as the ideal support act for Jamie Vardy with the 2016 Premier League champions wanting to add a creative spark. Grealish, 22, has played a key role in Villa's promotion push and, according to the Daily Mirror, should they fail to make a return to the Premier League then Leicester would swoop in with an offer of £20 million.
Paul Pogba to Paris Saint-Germain
PSG have reportedly been offered Pogba by the player's agent, Mino Raiola, as he looks to end the Frenchman's unhappy second spell at Manchester United. Jose Mourinho seems happy to let Pogba go, and the Daily Mail claim PSG are an option on the table for the 25-year-old. The £89.3 million club-record signing has struggled to live up to expectations since arriving at Old Trafford, though the Parisians could encounter problems with any transfer as they are under increased scrutiny over alleged Financial Fair Play breaches.
Andrija Zivkovic to Liverpool
Benfica winger Zivkovic was tracked by several Premier League clubs at the weekend at his side faced Porto in a top-of-the-table clash in Liga NOS. According to The Sun, the Serbian had Arsenal, Liverpool and Manchester United scouts watching his every move ahead of a potential move this summer. Zivovic has been developing well at Benfica since joining from Partizan in 2016, and is now a first team regular. There is a release clause of around £52m is in his contract should the Premier League giants decide to make a move.
Casemiro to Paris Saint-Germain
Real Madrid's all-action midfielder Casemiro is set to be a top transfer target for PSG, who may dramatically overhaul their squad this summer. Diario AS claims the Ligue 1 champions view the Brazilian as a long-term successor to Thiago Motta, and would be willing to break the bank in their efforts to sign him. PSG do believe they can land the 26-year-old for less than his £173m clause.
Anthony Martial to Barcelona
Barcelona are reported to be the latest club to join the race for Manchester United forward Martial and the left-sided attacker looks to be on the verge of an exit from Old Trafford having fallen down the pecking order under Mourinho. The Daily Mail reports Barca tried to sign Martial last summer and now may return for the player, with a £60m fee mentioned. The former Monaco prospect is reportedly far from happy at Old Trafford where his lack of playing time and the arrival of Alexis Sanchez has caused concern.