Lorenzo Musetti, two sets up against Novak Djokovic, retires injured in Australian Open quarter-final
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Novak Djokovic's quest for a record Grand Slam title continued in dramatic circumstances after fifth seed Lorenzo Musetti quit their Australian Open quarter-final match with an injury after taking a two-set lead at Melbourne Park on Wednesday. Musetti's retirement when leading 6-4 6-3 1-3 meant Djokovic...

