Seattle, WA (Sports Network) - Chad Billingsley tossed seven solid innings of one-run ball and the Los Angeles Dodgers thumped the Seattle Mariners, 8-2, in the finale of a three-game interleague series at Safeco Field.

Billingsley (4-4) allowed just two hits and three walks while fanning eight in the victory. Scott Elbert and Jamey Wright combined for a scoreless eighth and Shawn Tolleson allowed a run in the ninth, but closed it out for the win.

Andre Ethier smoked a grand slam, while James Loney and Adam Kennedy added RBI singles for the National League-leading Dodgers, who have won six of their last seven games.

Kyle Seager crushed a solo home run and Michael Saunders had an RBI double for the M's, who dropped two of three in this series.

Blake Beavan (3-6) was hammered for six runs on five hits and two walks in just two innings of work.

The Sports Network