Oakland, Calif. Sept. 2: Landon Powell hit his first career grand slam Wednesday in Oakland's 10-4 victory over Kansas City.
Powell's grand slam, his fifth homer this season, capped a five-run inning, giving Oakland an 8-0 lead with two outs in the bottom of the second.
Rajai Davis and Ryan Sweeney had two hits and two RBI apiece.
Mark Ellis drove in a run.
Sweeney drove in a run with a groundout, while Jack Cust and Adam Kennedy added two hits each for the Athletics, who have split their last eight games.
Winner Trevor Cahill (8-12) gave up three runs and six hits in five innings.
Josh Anderson led Kansas City with two hits and one RBI.