(Houston, TX) -- The Seattle Mariners are off today after taking two of three in Houston, capped by last night's 8-3 win over the Astros. Logan Morrison's pinch-hit, three-run homer in the ninth inning helped secure the win for Seattle. Shawn O'Malley went three-for-four and batted in two runs. The Mariners will visit Oakland for a three-game series, starting tomorrow evening.