由 jpichiban 在桑德尔因禁药检测呈阳性而受到调查后，他宣布不再与理疗师贾科莫·纳尔迪和体能教练翁贝托·费拉拉合作。桑德尔并未详细说明他与这两位教练分道扬镳的具体原因，但这一决定与近期围绕他禁药检测呈阳性的事件有关。
## Original Title: Sinner parts with physio & fitness coach after investigation
## Article Content:
Jannik Sinner says he is no longer working with physiotherapist Giacomo Naldi and fitness trainer Umberto Ferrara following the investigation into his positive tests for a banned substance.
Original article: https://www.bbc.com/sport/tennis/articles/cn02xp9dw02o