The Bel六合投注网站gian midfielder is believed to be a priority for incoming manager Antonio Conte, with the club going all-out to secure him.
The newspaper states that the Blues have offered £23m [€29.2m] plus perfo皇冠外围投注rmance-related bonuses, but that bid has been knocked back.
It has been reported that Conte met with the Giallorossi man in Rome last week, and now the Guardian is reportin线上足球投注g that a bid has been rejected.
It’s thought the Lupi are holding out for at least €40m [£32m] for the 28-year-old, who has been one of their star men in recent seasons.
Reports in the UK suggest Roma have rejected a €29m offer from Chelsea for Radja Nainggolan.