Cesc Fabregas issued a warning to Premier League rivals that Chelsea are about to get better with a summer recruitment drive and a burning desire to win the Champions League again.
Antonio Conte's team return to Stamford Bridge to face Watford on Monday having secured the prize which Fabregas believes is the hardest to win in world football with victory at West Bromwich Albion on Friday.
There will be jubilation in the air but Conte and his players are determined not to ease up as they try to complete the Premier League and FA Cup Double before their return to European competition.