Three-time Olympic gold medalist Kerri Walsh Jennings withdrew from the FIVB Grand Slam at the World Series of Beach Volleyball because of an abdominal strain but will still compete in the World Series Cup with new partner Whitney Plavlik.

The South Bay product is resuming her career after having her third child this spring. Walsh Jennings and Plavlik will play their first match Saturday. Plavlik will play in the Grand Slam with Annett Davis. The seven-day World Series begins Monday in Long Beach.

Cal League

Eric Sims had a two-run single in the first inning and an RBI single in the third, leading the San Jose Giants to a 7-6 win over the Stockton Ports at Municipal Stadium. The Ports scored four times in the eighth to trail 7-6.

Golf

Billy Joe Tolliver won the American Century Championship for the fourth time, beating Mark Rypien with a par on the third hole of a playoff at Stateline, Nev. They finished 54 holes at Edgewood Tahoe tied at 67 points in the modified Stableford format. Tolliver won $125,000 when Rypien's pitch shot went into the water on the third extra hole. Former A's pitcher Mark Mulder had 66 points, and the Warriors' Stephen Curry tied for fourth with Chris Chandler at 64.

Water polo

The U.S. women's national team began the FINA World Championships with a 12-8 win over defending gold medalist Greece in Barcelona, Spain. Stanford's Maggie Steffens had three goals, all in the fourth period.

Wire services contributed to this report.