The Cardinals trailed 20-6 midway through the fourth.
The streaking Mariners clinched the fourth division crown in the franchise’s 49-year history.
Rockies RHP Tanner Gordon (6-7, 6.00 ERA) starts Wednesday against Mariners RHP Luis Castillo (10-8, 3.63).
The Astros never led in the series and went 2 for 20 with runners in scoring position.
The Seahawks visit Arizona on Thursday.
If you follow September’s tip to Prepare in a Year, you’ll be prepared. First, find a box or storage bin that will fit under or your bed. Here’s what you should put in that box or bin.
The Mariners begin their pivotal series in Houston with RHP Bryan Woo (14-7, 3.02 ERA) on the mound Friday night.
The teams complete their three-game series on Thursday.
The Storm will play at Las Vegas on Thursday for a spot in the WNBA semifinals.
Mariners RHP Bryce Miller (4-5, 5.59 ERA) gets the start Wednesday night after striking out a career-high 11 in his last start against the Angels.
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