Diede de Groot and Dylan Alcott Do What Novak Djokovic Couldn’t

Tennis Grand Slam is so rare only five players can claim oneand no player since 1988 has achieved this feat. Having won four majors and one gold medal in the same year, the Golden Slam is nearly impossible. Just Steffi Graf had never done. Until Sunday, when it was accomplished twice. First, Dutchman Diede de …