Every Chelsea manager of the Roman Abramovich era ranked: How will Thomas Tuchel stack up to history? | CBS Sports Headlines Every Chelsea manager of the Roman Abramovich era ranked: How will Thomas Tuchel stack up to history? Thomas Tuchel will become Chelsea’s 15th manager in less than 18 years … Continue reading Every Chelsea manager of the Roman Abramovich era ranked: How will Thomas Tuchel stack up to history?