The Rising 19-year-old took another fall in Indian Wells, and will miss 2-4 weeks.
Serena Williams and Eugenie Bouchard headlined players selected in this year's WTT draw ceremony.
Eugenie Bouchard is eager to get back into the swing of the WTA Tour at Indian Wells.
Philipp Kohlschreiber pulled off a magical winner to take the second set. Then Andy Murray made the German disappear.
Andy Murray offers his pick for the super bout, while Roger Federer explains why he's lost interest in boxing.
Simona Halep runs into an adjacent town, before returning the join this spirited rally against Varvara Lepchenko on Sunday night at Indian Wells.
Sloane Stephens said she has no time for negativity online after reaching the fourth round at Indian Wells.
