Thomas Tuchel has matched Chelsea records set by Luiz Felipe Scolari and Jose Mourinho in extending his unbeaten start as Blues boss to 12 games.
The German tactician is yet to come unstuck since inheriting the managerial reins at Stamford Bridge from Frank Lampard.
His latest outing delivered a 0-0 draw with Leeds at Elland Road, with notable marks being hit when avoiding defeat and collecting another clean sheet.
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Which records has Tuchel emulated?
A 12-game unbeaten start in the Chelsea hot-seat is the best than any Blues boss has achieved since stepping into one of the most demanding of roles.