Andy Murray has promised to announce when he plans to retire before the final tournament of his career. The three-time major champion has faced increased questions on his future having suffered a difficult start to the 2024 season. How Murray plans to retire remains to be seen and exactly when with theories that he could do so after Wimbledon or the Olympics if he’s picked to play. Tennis icons of yesteryear have all approached retirement differently with Roger Federer waving farewell at the Laver Cup in 2022. Rafael Nadal is also on the verge of retiring from the sport with questions on how h…