Chelsea's long-standing contract policy for over 30s is threatening to undermine their bid to hang on to Cesar Azpilicueta.
Contract talks with Azpilicueta, who now has less than six months remaining on his deal and is free to negotiate a pre-contract agreement with foreign clubs, have rumbled on for months now.
The Londoners have a policy of only offering short-term contracts to players over 30.