Murray, the world’s No. 2 ranked player was set to play Tennys Sandgren in the first round.
Now, five of the world’s top 11 eleven players have bowed out of the Open. Novak Djokovic, Stan Wawrinka, Ken Nishikori and Milos Raonic all withdrew because of injuries.
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Murray also battled a hip injury during Wimbledon, beaten in five sets on the quarterfinals by American Sam Querrey and didn’t play in the Western & Southern Open in Cincinnati because of his hip issues.