Swiss tennis legend Roger Federer has stunned his millions of fans by announcing that he won't be returning to the court this year.
The 20-time Grand Slam winner revealed on Twitter that he had suffered a setback following surgery to his right knee earlier this year.
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"Dear Fans (sic), I hope you are staying safe and healthy. A few weeks ago, having experienced a setback during my initial rehabilitation, I had to have an additional quick atrhtroscopic procedure on my right knee.
"Now, much like I did leading up to the 2017 season, I plan to take the necessary time to be 100% ready to play at my highest level.