Serena Williams has won more grand slam titles than any player in the professional era. Dita Alangkara / AP Photo
Serena Williams has won more grand slam titles than any player in the professional era. Dita Alangkara / AP Photo
Serena Williams responds to John McEnroe's '700 in the world' comments
The American has won 23 grand slam titles, more than any player in the professional era.
Simon Jennings
June 27, 2017
