(Houston, TX)  --  The Seattle Mariners will visit San Francisco this evening, after losing two of three to the Houston Astros.  Yesterday's 13-0 loss saw the Mariners get only two hits.  Seattle starter Roenis Elias was roughed up for eight runs on seven hits over only three-and-a-third innings.  The Mariners and Giants are set to play tonight at 7:15.