SEATTLE -- The out-of-town scoreboard beyond left field at T-Mobile Park flashed a consequential final score on Tuesday night mere moments before Mariners slugger Randy Arozarena stepped to the plate in the third inning.

The Astros had just been walked off in Toronto, paving the way for Seattle to pull to within one game of first place in the American League West with a win over the Cardinals.

Arozarena dug into the batter’s box knowing what was at stake, worked into a 2-0 count with two runners on and the Mariners trailing by two, then dug out a 94.2 mph bread-basket fastball from St. Louis starter Matthew Liberatore for a sky-high, second-deck homer.

The place went nuts. The Mariners reclaimed the lead and would never trail again in an eventual 5-3 victory . And the separation a

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