Raul Ibanez also homered in the win, which ended a two-game Seattle losing streak and handed Texas its third loss in their last 12 games.
Morales went 3-for-5 in the victory. He launched a solo home run in Seattle's two-run first inning and then broke the game open with a three-run blast in the fifth.
Both of Morales' homers came courtesy of Justin Grimm (7-6), who took the loss. Grimm was charged with six runs -- five earned -- on seven hits in four-plus innings.
Joe Saunders (6-8) notched the win despite giving up two runs -- one earned on 10 hits over 6 2/3 innings.
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