McEnroe's 'Court 21' quip sparks backlash after Navone's upset of Djokovic
John McEnroe drew backlash for joking that Mariano Navone would play his second-round match on Court 21 after Navone upset Novak Djokovic at the US Open, a remark seen as disrespectful in Navone's moment and fueling ongoing debate about McEnroe's on-air tone and preparation.