World number two Novak Djokovic won't defend his ATP Miami Masters title next week, saying Sunday that he was withdrawing because of injury.
"I apologize to my fans and ppl who purchased tickets to watch me play live at @MiamiOpen. Sadly, I'm injured and won't be able to compete," the Serb star said on Twitter.
Djokovic joins world number one Andy Murray on the sidelines for the elite hard court tournament. Murray pulled out Saturday with an elbow injury.
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