Chelsea are keen to get both David Luiz and Cesc Fabregas signed up to new short-term contracts, but both players want longer deals.
According to Kieran Gill of the MailOnline, though Blues boss Maurizio Sarri wants to see each player remain at Stamford Bridge beyond the end of the season, the club's policy of only offering one-year deals to players over the age of 30 is proving to be a stumbling block.
Gill added that Chelsea have been in talks with both players over extensions, and Sarri said he remains hopeful the club can agree something:
"The deal is very difficult for this reason, I think.