The Blues are not the only Premier League side interested though, with Chelsea also said to be keen.
The Frenchman has impressed at Cesena this season.
The Cesena star has been in great form in Serie A this season.
Talk about the future of Gregoire Defrel continues to swirl around the Cesena attacker, who has impressed in the provinces this term.
Former Inter Milan midfielder is delighted to have finally signed a deal with Cesena, having previously been linked to QPR and Celtic.
Leeds United, Newcastle United, Tottenham Hotspur, Aston Villa, Everton, Queens Park Rangers and Swansea City all feature.
Leeds United face competition to sign Leonardo Pavoletti.