FILE - In this Jan. 28, 2017 file photo, United States' Serena Williams gestures as she holds her trophy after defeating her sister Venus in the women's singles final at the Australian Open tennis championships in Melbourne, Australia. Williams, defending champion has withdrawn from the 2018 Australian Open, saying she is not ready to return to tournament tennis.
FILE - In this Jan. 28, 2017 file photo, United States' Serena Williams gestures as she holds her trophy after defeating her sister Venus in the women's singles final at the Australian Open tennis championships in Melbourne, Australia. Williams, defending champion has withdrawn from the 2018 Australian Open, saying she is not ready to return to tournament tennis. Dita Alangkara, File AP Photo
FILE - In this Jan. 28, 2017 file photo, United States' Serena Williams gestures as she holds her trophy after defeating her sister Venus in the women's singles final at the Australian Open tennis championships in Melbourne, Australia. Williams, defending champion has withdrawn from the 2018 Australian Open, saying she is not ready to return to tournament tennis. Dita Alangkara, File AP Photo

Mother knows best: Serena opts out of Aussie title defense

January 04, 2018 10:27 PM

UPDATED 1 MINUTE AGO