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Berrettini Changes Again: Farewell to Ferrara, Sinner's Former Trainer Involved in the Case of Clostebol

Summary by Ubitennis
Waiting for the most precious weeks of the season, that is those dedicated to the parentheses on the grass, Matteo Berrettini revolutionizes his staff once again: in fact, after the retirement at the International BNL d'Italia, the collaboration between the number 30 of the world ranking and Umberto Ferrara, Jannik Sinner's former athletic trainer involved first person in the notorious case Clostebol (remember that it was Ferrara who bought the …
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Waiting for the most precious weeks of the season, that is those dedicated to the parentheses on the grass, Matteo Berrettini revolutionizes his staff once again: in fact, after the retirement at the International BNL d'Italia, the collaboration between the number 30 of the world ranking and Umberto Ferrara, Jannik Sinner's former athletic trainer involved first person in the notorious case Clostebol (remember that it was Ferrara who bought the …

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Ubitennis broke the news in on Thursday, June 5, 2025.
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