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Jannik Sinner Reappoints Fitness Coach He’d Previously Dropped Amid Doping Suspension

ITALY, JUL 23 – Sinner rehired Ferrara despite his role in a doping scandal that led to a three-month ban, citing Ferrara's key role in his development and preparations for major tournaments.

  • On July 23, 2025 in London, Jannik Sinner reappointed Umberto Ferrara as his fitness coach with immediate effect, in line with his management team’s strategy.
  • The doping controversy stemmed from Ferrara’s acquisition of Trofodermin in Bologna in February 2024, and Sinner served a three-month ban earlier this year after testing positive.
  • An independent tribunal cleared Sinner of fault or negligence, attributing contamination to physiotherapist Giacomo Naldi's use of a clostebol spray Ferrara purchased, and later exonerated him.
  • The move caused widespread astonishment across the tennis community, and Nick Kyrgios mocked the move on X with `Unfortunately this isn’t @TennisCentel`.
  • As part of strategic planning, the rehiring covers upcoming tournaments including Cincinnati Open and US Open, and Ferrara returns as Sinner readies for Cincinnati next month.
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Lean Right

After the positive tests, Sinner departed from Umberto Ferrara in August 2024. A year later, he again worked with the physical preparer involved in the case of doping.

·Portugal
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Lean Left

Today in Montecarlo starts again the training towards the Us Open with the trainer fired a year ago after the positivity to the drug

·Turin, Italy
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France24 broke the news in France on Wednesday, July 23, 2025.
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