The Seattle Mariners dealt the potential knockout blow to the Houston Astros’ hopes of winning a division title.

A seven-run outburst in the second inning Sunday put the game out of reach early, and the Mariners cruised to a 7-3 win over the Astros to finish off a sweep and make a massive statement against their division rival.

Seattle Mariners erupt for 7-run inning against Astros

After entering the series tied for first in the American League West, the Mariners now have a three-game lead over the Astros and hold the tiebreaker, meaning Houston needs to make up four games over the final week of the regular season to win the division.

With six games left, Seattle’s “magic number” to clinch its first AL West title since 2001 is three, which means any combination of Mariners wins and Ast

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