So used to rewriting the record books and piling up tennis grand slams, 2016 brought Roger Federer back to the days, in some respects, when he was a young pro in search of a maiden major.
원문출처 : http://www.cnn.com/2016/12/23/tennis/roger-federer-tennis-knee-return-australian-open/index.html
원문출처 : http://www.cnn.com/2016/12/23/tennis/roger-federer-tennis-knee-return-australian-open/index.html