Novak Djokovic has added a couple of elements to off-season training.
In a hurry to reach practice? Serena clocked going 86 MPH in a 65 MPH zone.
Michael Joyce, who previously coached Maria Sharapova and Victoria Azarenka, signs on as Johanna Konta's coach.
Pro basketball will tip at the Australian Open; highlighting hoops history in tennis.
Tommy Haas channels his inner Rafa and Roger to stirring effect.
Rafael Nadal took a break from vacation to follow Tiger Woods on the golf course.
Future uncertain for International Premier Tennis League.
