Stacy Lewis matched 17-year-old playing partner Lydia Ko with birdies on Nos. 15 and 16 and added another on the 17th to take a 1-stroke lead Saturday in the Swinging Skirts LPGA Classic in Daly City, Calif.

The third-ranked Lewis and fourth-ranked Ko each shot 4-under 68 at Lake Merced. Jenny Shin was 4 strokes back at 6 under. She also shot 68. Michelle Wie, the winner last week in Hawaii, was tied for 13th at 1 under after a 71.

Seung-Yul Noh became the first player to complete 54 holes at the TPC Louisiana without a bogey and strung together three birdies late in his round Saturday to surge 2 strokes ahead of Keegan Bradley atop the Zurich Classic leader board in Avondale, La.

NFL The Dallas Cowboys re-signed defensive end Anthony Spencer to a one-year deal worth up to $3.5 million after he missed all but one game last season with a knee injury.

TENNIS Two-time and defending champion Maria Sharapova cruised past Sara Errani, 6-1, 6-2, Saturday to reach her third straight Porsche Grand Prix final in Stuttgart, Germany.

COLLEGE BASKETBALL Former Michigan forward Jon Horford is transferring to Florida for his final year of college eligibility. His older brother, Al Horford, confirmed the decision.

BOXING Wladimir Klitschko toyed with Alex Leapai and knocked him out in the fifth round to retain his four heavyweight belts in Oberhausen, Germany.

Klitschko recorded his 53d KO in 62 wins, with three defeats. Leapai dropped to 30-5, with three draws.

TRIATHLON Jodie Stimpson won her second straight world series triathlon when she outlasted British teammate Helen Jenkins in a running duel in Capetown, South Africa. Stimpson was in a group of 12 which broke away during the bike leg and began the run with more than two minutes on the chasers.

Gwen Jorgensen of the United States, part of the chasing group, stormed to third, 22 seconds behind.

- Associated Press