Since having his hip resurfaced, he's struggled with several injuries
Andy Murray says he'll keep playing until his body won't let him train and he loses enjoyment for tennis.
Britain's three-time Grand Slam champion is preparing for his first singles campaign at Wimbledon in four years.
Since having his hip resurfaced, he's struggled with a number of niggly injuries.
Murray says because of that, he can never look too far ahead.

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