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Laver would welcome Djokovic to calendar Grand Slam 'club'
Read full article: Laver would welcome Djokovic to calendar Grand Slam 'club'โRocketโ Rod Laver will be at the U.S. Open to welcome Novak Djokovic into a remarkably exclusive club if the 34-year-old from Serbia manages to complete the first calendar-year Grand Slam in menโs tennis in 52 years.