For all the millions Chelsea have spent on players to fuel this unexpected title bid, its upkeep through the festive period will rely in no small part on one signed for nothing.
The decision to poach Tosin Adarabioyo from neighbours Fulham at the end of his contract last summer had a bit of a feeling of ‘why not?’ about it, but the centre-back is now set for his first prolonged run in Enzo Maresca’s first-choice side.