WTA Championship players at a glance
LOS ANGELES -- Players in the season-ending WTA Championships, which start Wednesday:
No. 1 Serena Williams, United States
The defending champion is 53-4 this year, including Grand Slam victories at the French Open, Wimbledon and U.S. Open. She hasn't played since winning her season-leading eighth title at the end of September. Williams then withdrew from three European indoor tournaments because of fatigue.
No. 2 Venus Williams, ...
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