Sports briefs: Venus Williams loses in Bank of West quarterfinal
Tennis • Eighth-seeded Andrea Petkovic ended Venus Williams' run in the Bank of the West Classic, beating the former top-ranked player 6-1, 3-6, 7-5 in the quarterfinals Friday in Stanford, Calif.
Following a shaky start, the 25th-ranked Williams picked up her game in the second set and appeared poised to take over the match. The 18th-ranked Petkovic rallied in the third set, taking leads of 3-1 and 5-3, to beat Williams in their first meeting since Luxembourg in 2012.
Petkovic is looking for her third title of the season.
Serena Williams played a quarterfinal against Ana Ivanovic, but the match ended after deadline.
Spurs, Parker sign 3-year extension
NBA • The San Antonio Spurs signed Tony Parker to a multi-year contract extension on Friday, ensuring that the six-time All-Star point guard will be in the fold whether Tim Duncan and Manu Ginobili are able to continue their careers or not. The Spurs did not disclose the deal, but Yahoo! Sports first reported that it was a three-year extension worth $43.3 million that will kick in in 2015.
Parker has spent all of his 13 NBA seasons with the Spurs, blossoming from an erratic 19-year-old from France into one of the elite point guards in the game. He has helped the Spurs win four of their five NBA titles.
Mexico's goalkeeper signs with Malaga
Soccer • The Spanish club Malaga has signed Mexico goalkeeper Guillermo Ochoa to a three-year contract after his standout performance at the World Cup.
Ochoa's goalkeeping, including a string of stellar saves in a 0-0 draw with host Brazil, helped Mexico reach the round of 16 at this summer's World Cup.
Weightlifter stripped of medal for doping
commonwealth games • A 16-year-old Nigerian weightlifter was stripped of her Commonwealth Games gold medal on Friday because of a positive doping test.
Chika Amalaha tested positive for diuretics and masking agents after winning the 53-kilogram (117-pound) division last week, becoming the youngest-ever female to win a weightlifting title at a Commonwealth Games.
From wire reports
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