MLB Recap · September 20, 2026

Seattle Mariners at Colorado Rockies: Final Score & Recap

SEA2
Final
COL1

Line Score

Team123456789RHE
SEA000101000240
COL000000001150

The Story

The Seattle Mariners defeated the Colorado Rockies 2-1 at Coors Field on September 20, 2026, completing a low-scoring road victory that saw the DiamondIQ model's pre-game estimate of a 43 percent home win probability for Colorado collapse to zero by the final out. Seattle scored once in the fourth inning and added an insurance run in the sixth, while Colorado managed its only run in the bottom of the ninth in what proved to be too little, too late against a Mariners pitching staff that held firm throughout.

The decisive sequence came in the top of the sixth, when Dominic Canzone delivered a double off Ryan Feltner that shifted win probability by 14.2 percentage points in Seattle's favor, ultimately proving to be the game's most consequential offensive swing. Canzone finished as the game's top batter by WPA at plus-19.0 percent with a RE24 of plus-1.6, reflecting his central role in the Mariners' offensive production. Colorado responded in the bottom of the sixth when Jake McCarthy ripped a triple off Kade Anderson that added 9.8 percentage points of win probability for the Rockies, briefly keeping their hopes alive, but the deficit proved insurmountable. In the bottom of the ninth, TJ Rumfield drew a walk off Andrés Muñoz that momentarily added 9.0 percentage points to Colorado's outlook, though Eduard Bazardo ultimately closed the door, recording a strikeout of Brett Sullivan that swung win probability 18.8 points toward Seattle and a strikeout of Cole Carrigg that shifted things 10.7 points against the Rockies.

On the pitching side, Kade Anderson led all pitchers with a WPA of plus-35.9 percent, anchoring Seattle's effort through the middle innings despite the sixth-inning McCarthy triple. Seranthony Domínguez contributed plus-13.3 percent WPA and Tomoyuki Sugano added plus-12.8 percent, reflecting a collective bullpen performance that kept Colorado's lineup to a single run on five hits. The DiamondIQ model favors Seattle's pitching construction as a key factor in outcomes like this one, where run prevention in a high-offense environment at Coors Field proved to be the separating variable.

Analysis generated by DiamondIQ's model.

Win Probability

755025SEA bats firstFinalCOL win %SEA win %
DiamondIQ model home win probability across the game (pre-game 43.5% → final 0%).

Biggest Plays by Win-Probability Added

Brett Sullivan — Strikeout
Bot 9th · off Eduard Bazardo
+18.8%
Dominic Canzone — Double
Top 6th · off Ryan Feltner
+14.2%
Cole Carrigg — Strikeout
Bot 9th · off Eduard Bazardo
-10.7%
Jake McCarthy — Triple
Bot 6th · off Kade Anderson
+9.8%
TJ Rumfield — Walk
Bot 9th · off Andrés Muñoz
+9.0%

Top Batters by WPA

Dominic Canzone+19.0%+1.6 RE24
Brett Sullivan+9.8%-1.0 RE24
Troy Johnston+6.6%+0.3 RE24

Top Pitchers by WPA

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