The Blues are set to be taken over for a sum of roughly £3 billion, as owner Roman Abramovich is selling due to UK sanctions as a result of the Russian invasion of Ukraine.
However, The Mirror states that Tuchel has concerns about this summer's transfer window.
Tuchel's side have not been in the best form, and there is no indication if they will be taken over by June or July, when plans for next season must be put into place.
A consortium led by US tycoon Todd Boehly is the preferred bidder, per various media outlets.
The German coach hopes the takeover can be done in time to replace departing free agents, such as Antonio Rudiger, and invest in other positions as well.
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