Bad news: Andrea Petkovic injured her knee--yes, that knee--in the first round of Hopman Cup play. Petkovic retired against Ashleigh Barty.
Caroline Wozniacki is wearing a diamond ring on her "engagement ring" finger, and the rumor--certainly not unfounded--is that she and Rory McIlroy will be married.
Li Na defeated Victoria Azarenka 6-3, 2-6. 10-7 in exhibition play in Thailand. Redfoo was with Azarenka in Hua Hin.
Petra Kvitova just keeps popping up in cute and amusing photos. Here's her first column for the Courier Mail.
Flavia Pennetta, who had wrist surgery in August, will wait until after the Australian Open to return to the tour.
Sloane Stephens talks with ESPN W.