Murray lost out to Grigor Dimitrov in the third round last year

World number one Andy Murray has pulled out of next week’s Miami Open with a right elbow injury.

A lacklustre Murray lost to Canadian world number 129 Vasek Pospisil in the second round at Indian Wells last week.

“The focus now is on getting ready for the clay court season. Apologies to the fans, it’s one of my favourite tournaments,” said the 29-year-old,