|Singles |

|Group A |

 Li Na (8), China, def. Angelique Kerber (5), Germany, 6-4, 6-3.


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 Serena Williams (3), United States, def. Victoria Azarenka (1), Belarus, 6-4, 6-4.

 Standings: Williams 3-0 (sets 6-0); Azarenka 1-1 (2-3); Li 1-1 (2-2); Kerber 0-3 (1-6). |

|Group B |

 Sara Errani (7), Italy, def. Sam Stosur (9), Australia, 6-3, 2-6, 6-0.

 Standings: Maria Sharapova 2-0 (4-1); Agnieszka Radwanska 1-1 (3-2); Errani 1-1 (2-3); a-Stosur 0-1 (1-2); w-Petra Kvitova 0-1 (0-2).

 w-withdrew, a-alternate

 

|TRANSACTIONS|

Baseball

|NATIONAL LEAGUE|

 CHICAGO CUBS--Assigned INF Adrian Cardenas, RHP Miguel Socolovich and RHP Jason Berken outright to Iowa (PCL). Activated RHP Marcos Mateo from the 60-day DL and sent him outright to Iowa.

 NEW YORK METS--Claimed C Anthony Recker off waivers from Chicago (NL).

 PITTSBURGH PIRATES--Claimed RHP Chad Beck off waivers from Toronto and C Ramon Solis from San Diego. Designated C Eric Fryer and INF Jeff Clement for assignment.

 ST. LOUIS CARDINALS--Announced bullpen coach Dyar Miller will not be retained for next season.|

|MIDWEST LEAGUE|

 MWL--Granted president George H. Spelius a 26-month extension through Dec. 31, 2014.|

|AMERICAN ASSOCIATION|