Madison Keys returns a shot during a match against Venus Williams in the quarterfinals of the Australian Open in Melbourne, Australia, Wednesday, Jan. 28, 2015.
Madison Keys returns a shot during a match against Venus Williams in the quarterfinals of the Australian Open in Melbourne, Australia, Wednesday, Jan. 28, 2015. Rob Griffith AP
Madison Keys returns a shot during a match against Venus Williams in the quarterfinals of the Australian Open in Melbourne, Australia, Wednesday, Jan. 28, 2015. Rob Griffith AP