Mbappe, 18, was an unused substitute for Monaco's win at Dijon on Sunday, fuelling speculation that he will leave the French champions.
Monaco coach Leonardo Jardim says his decision to push Kylian Mbappe to the fringes of his squad is to "protect him from the storm."
Estudiantes vice-president Osvaldo has reiterated that there is an agreement in place for defender Juan Foyth to move to Paris Saint-Germain.
Paris Saint-Germain have confirmed the return of Luis Fernandez, this time as sporting director of the club's youth academy.
Juventus are closing in on the signing of Blaise Matuidi from Paris Saint-Germain, with the midfielder arriving in Turin for a medical on Wednesday.
Monaco boss Leonardo Jardim has said Kylian Mbappe is struggling with fitness, and transfer rumours surrounding him aren't helping.