Thomas Tuchel said he will "sleep well" once Paris Saint-Germain sign a new player during the transfer window as he eyes reinforcements.
PSG have been linked with star Napoli midfielder Allan in January, while Adrien Rabiot is set to leave the Ligue 1 champions.
And Tuchel admits the difficulty of landing new players during the winter has him nervous.
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"[Sporting director] Antero [Henrique] and the president said that I would have a recruit and I trust them," he told reporters after Saturday's comfortable Ligue 1 win over Amiens.
"But, in the same time, I'm afraid [of not having one].