Giants 8, Athletics 4

PHOENIX -- Travis Ishikawa doesn't want San Francisco Giants fans to get too excited about his power production this spring.

"I'm not trying to hit home runs," he said. "I know that's something Giants fans have been waiting for since Barry (Bonds) left, but I'm not that kind of hitter. ... If we're relying on me to hit home runs, we're in trouble."

Ishikawa's two homers and a rare triple play by the Giants helped them beat the Oakland Athletics 8-4 in a split-squad game Saturday.

The first baseman hit a solo homer in the fourth inning, San Francisco's only run against Trevor Cahill. In the sixth, his three-run shot to center against Michael Wuertz gave the Giants a 4-3 lead.

Ishikawa is batting .313 this spring, and his five homers lead the team. He has heard for years that he needs to hit for more power because he plays a corner infield spot, and he acknowledged that pressure caused him to mess with his swing for a few years in the minors.

Only last season, when he stopped thinking about homers, did the ball start to leave the park. Ishikawa hit 24 homers combined between Double-A and Triple-A, then three more in the majors.

"I'm just trying to hit the ball hard, and if the power comes, great," he said.

Promising catcher Buster Posey, the Giants' top hitting prospect, hit his second homer of the spring in the seventh. Posey, who started for the first time this spring, is 8-for-19 (.421). He also made a nice catch of a foul popup and a strong throw to nail Jason Giambi attempting to go to third on a ball that got past him.

"I've been really impressed with him," Ishikawa said. "For his first full season, he's handled himself professionally, gotten his work in. He's going to be a very good player."

The Giants turned a triple play in the eighth when Bobby Crosby grounded to third baseman Ryan Rohlinger. Matt Carson, who was running at second, went out of the baseline to avoid Rohlinger and was called out. Rohlinger then threw to second baseman Matt Downs, who relayed to first baseman Scott McClain to complete the triple play.

The biggest bright spot for the A's was the work of Cahill. The 21-year-old prospect gave up one run in five innings. This spring he has a 3.94 ERA in five games, including four starts. He remains a long shot to break camp in the rotation.

"I just wanted to give myself the best chance to make them have a hard decision," Cahill said. "I'm still here, so I'm happy."

Before the game, the A's got some good news on Eric Chavez. The injured third baseman was cleared to hit for the first time since March 8. Chavez took some swings without a ball and was tested using pulleys. He said he will hit in the cage Sunday and perhaps on the field Monday.

Chavez, rehabbing from right shoulder surgery, has 11 at-bats as a designated hitter this spring, but he has not played the field in a game. He was shut down following a setback two weeks ago.

Game notes
A's LHP Gio Gonzalez is not going to pitch in a game for at least a week because of a shoulder problem that has already kept him out for about a week. The San Francisco Chronicle first reported the injury on Saturday morning. Gonzalez was a candidate for the rotation or the bullpen, but the setback virtually eliminates the chance he could start the season in Oakland's rotation. ... RHP Joey Devine is expected to throw in the bullpen Sunday and pitch in a minor league game Tuesday. ... 2B Mark Ellis played three innings of defense in a minor league game, his first game action in the field this spring. Ellis, rehabbing from shoulder surgery, said he did not get any ground balls, but he still felt good. Ellis is scheduled to play one more minor league game and then play in a big league game on Wednesday. ... SS Orlando Cabrera has a sore back that will cost him a couple of days, A's manager Bob Geren said. ... LHP Dallas Braden was scratched from his scheduled start Saturday because of pain from a root canal. Braden is scheduled to pitch on Sunday. ... OF Danny Putnam, up from minor league camp, hit a homer off the top of the scoreboard in right field.