Coach Nivaldo Lancuna was standing in his technical area watching the game before midfielder Marcos Antônio and Barata collided and one player fell onto him, causing the coach to take a nasty tumble.
Medical staff stationed on the touch line quickly attended to him and whisked him off to the hospital.
According to Globo Esporte, the 62-year-old dislocated his knee and is suspected to have torn his ligaments.
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