HOUSTON -- Daric Barton and Josh Donaldson had two RBIs apiece in a seven-run ninth inning to help the Oakland Athletics to a 12-5 win over the Houston Astros on Friday night.The game was tied at 5 when Josh Fields (0-2) plunked Brandon Moss before back-to-back singles by Alberto Callaspo and Craig Gentry loaded the bases. Barton's sharply hit grounder bounced off Jose Altuve's glove and into right field to send two home. Rookie George Springer's error on that play allowed a third run to score, sending the few fans left filing to the exits.Donaldson, who homered twice on Thursday night, connected again on Friday with a shot off Anthony Bass to the Crawford Boxes in left field to make it 12-5.Luke Gregerson (1-1) earned the win in relief.Associated Press