Andy Murray can still return to professional tennis even if he has another hip operation, says American doubles legend Bob Bryan.
Bryan, 40, had a hip resurfacing procedure last summer and is back playing at the Australian Open.
Two-time Wimbledon champion Murray, 31, has said he might have to quit if he has the same surgery.
"I personally think he can can come back," said Bryan, who has been in regular contact with Murray.
"There's so much wear and tear in tennis, but I think he could do it."
Bryan, a 23-time Grand Slam doubles champion, returned to court alongside brother Mike at the Australian Open on Wednesday, little over five months since undergoing the operation.