Andy Murray will not defend Olympic singles title in Tokyo after quad injury

Two-time Olympic champion will continue to play in doubles 34-year-old makes decision after consulting medical staff Andy Murray will not defend his Olympic singles title in Tokyo after he was forced to withdraw from the tournament with a quad strain on the morning before his first-round match. He has chosen to continue competing in the doubles alongside Joe Salisbury. Murray, who won the men's singles at London 2012 and Rio 2016, had been due to face ninth seed Felix Auger-Aliassime in the firs...