Serena Williams withdraws from Indian Wells and Miami due to knee injury
“Sadly, I have to withdraw from the BNP Paribas Open in Indian Wells and the Miami Open,” Williams said in a statement issued by tournament officials. “I have not been able to train due to my knees and am disappointed I cannot be there. I will keep moving forward and continue to be positive. I look forward to being back as soon as I can.” Based on the sport’s points system, Kerber will be No. 1 in the next rankings, which will be issued on March 20.