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.
Dayot Upamecano - RB Leipzig to Liverpool
Liverpool have already raided RB Leipzig, agreeing the club-record signing of Naby Keita -- who will make the move to...
Atletico Madrid defender Filipe Luis has said he is "proud of this club" for bringing striker Diego Costa back from Chelsea.
On Thursday, Atletico announced that they had reached an agreement with Chelsea for the return of the Spain international in what sources have told ESPN FC is an initial loan deal with a commitment to buy for £58 million at the end of the season.
Costa has not featured for Chelsea since the FA Cup final in May, and opted to remain in Brazil this summer rather than return...