OAKLAND, Calif. -- Jeff Samardzija allowed just four hits over eight innings and Brandon Moss hit his third grand slam of the year as the A's beat the Houston Astros 13-1 on Thursday at the Coliseum.
Samardzija (2-1) gave up a single to Jose Altuve to lead off the game, but then retired 10 consecutive batters before surrendering Chris Carter's 20th homer, a first-pitch solo shot off the left-field foul pole with one out in the fourth inning. It was the only run he allowed, and the only other hits by the Astros were singles by Robbie Grossman in the sixth and Carlos Corporan in the eighth.
Samardzija didn't walk a batter and struck out six in lowering his Oakland ERA to 2.80. Evan Scribner, called up earlier in the day to replace Jim Johnson, pitched the ninth. Johnson was designated for assignment before the game.
Moss connected for his grand slam in the sixth after the A's had already mounted a 4-1 lead. It was a first-pitch shot to right off Astros reliever Anthony Bass. It was his 23rd homer of the season in addition to his third slam, one behind the Oakland club record set by Jason Giambi in 2001.
Josh Donaldson drove in Oakland's first run in the second inning following a Josh Reddick double. A second run scored on a wild pitch against Houston starter Scott Feldman (4-8) and Derek Norris made it 3-0 with an RBI single.
After the A's made it 9-1 with their five-run outburst in the sixth, they still weren't done. Stephen Vogt had a bases-loaded double in the eighth that delivered three more runs in Oakland's 14-hit attack.
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