The No. 3 American was reportedly injured on vacation.
The world No. 9 hasn't been 100 percent since hospitalization last September.
Third-seeded Wozniacki playing for first final since April.
Grigor's got a new squeeze, and he's not hiding it.
The two-time major champ finds a new coach on Twitter. Not.
Nick Kyrgios notched an impressive win against Andy Murray at Hopman Cup. Will he be able to parlay that success into their next ATP meeting?
Hall of Famer leaves Dunlop for Head.