American legend believed Serbian could add at least three more majors John McEnroe has long been known for speaking his mind, and one of his boldest takes came shortly after Novak Djokovic secured his 24th Grand Slam title at the US Open in 2023. At the time, Djokovic had just completed a remarkable season, coming within one match of achieving a Calendar Slam.
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https://sports.yahoo.com/articles/number-grand-slams-mcenroe-predicted-144700397.html
