The Hammers forward has made just eight appearances this term under Slaven Bilic.
With transfer deadline day fast approaching Chelsea are making their move for reinforcements.
Babacar has caught the attention of newly-promoted Middlesbrough but could come with a hefty price tag.
HITC Sport understands Fiorentina are set to land the Serbian defender.
Josip Ilicic is a long-term target of Tottenham Hotspur.
Jose Mourinho's men are being linked to Fiorentina winger Juan Cuadrado by Sky Italia.
Juan Cuadrado has signed a new deal with Fiorentina.
Fiorentina ace Juan Cuadrado remains in positive spirits despite missing out on a potential summer move to Manchester United or Barcelona.
Manchester City club legend Micah Richards has joined Fiorentina, according to the latest deadline day transfer news and club captain has paid tribute.
Davide Santon has moved to quash rumours linking the former Inter Milan defender with a move back to Serie A with Fiorentina this summer.