SAN FRANCISCO -- Stephen Piscotty homered for the fifth time in nine games, and the Oakland Athletics beat the San Francisco Giants 6-2 on Sunday.
Sean Manaea allowed two runs in six innings for his fourth consecutive win. All-Star second baseman Jed Lowrie walked and scored in his return to the lineup following a scary collision in right field two nights earlier for Oakland. Matt Chapman added two hits.
The surging A's have won nine of 12 and are 21-6 since June 16, the best record in the majors during that stretch.
All-Star shortstop Brandon Crawford had two hits for the Giants, who lost a home series for the first time since dropping two of three at AT&T Park to Arizona from April 8-10.
Piscotty singled in Jed Lowrie in the fourth against starter Andrew Suarez (3-6) then homered off Reyes Moronta in the sixth. It is Piscotty's 12th this season and fifth this month, all of them coming since July 7.
Piscotty's hit in the fourth was the first of three consecutive RBI singles off Suarez. Matt Olson and Matt Chapman also drove in runs while Jonathan Lucroy added a sacrifice fly to put Oakland up 4-1.
Manaea (9-6) gave up five hits, including Chase d'Arnaud's second home run this season in the sixth. Manaea retired seven of the final eight he faced.
Suarez allowed four runs in five innings.
Athletics: Lowrie had been nursing a bruised bone and calf bruise in his left leg after colliding with Piscotty in right field. . OF Matt Joyce (lumbar strain) received an epidural shot for his sore back. RHP Daniel Gossett (strained right elbow) began a throwing program.
Giants: RHP Jeff Samardzija was placed on the 10-day disabled list because of right shoulder inflammation. It's Samardzija's third stint on the DL this season. IF Kelby Tomlinson was called up from Triple-A Sacramento and started at second base.
Athletics: Return to the Coliseum to host the San Francisco in a three-game series beginning Friday. It's the first time since 1986 that the A's have played six consecutive games against the same team.
Giants: Head across the Bay to play three games in Oakland. No rotation has been announced for the series.