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Seattle Mariners 2–1 Colorado Rockies: match recap

SEASeattle MarinersLWWLL2
COLColorado RockiesWLLLW1

FinalMLB · Start Sep 20, 2026, 7:10 PM UTC · Venue: Coors Field

Seattle Mariners and Colorado Rockies finished 2–1 (MLB) on September 20, 2026. Below: the form, standings and head-to-head record both teams took into the game.

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Match recap

Kade Anderson spun 7 shutout innings while Dominic Canzone delivered a two-run single, leading the Mariners to a 2-0 win over the Rockies. Colorado's offense managed only three singles and never advanced a runner past second base.

Rookie left-hander Kade Anderson was the story, carving through the Colorado lineup with seven strikeouts and zero walks over seven scoreless frames, scattering three harmless singles. The Mariners scratched across the only runs in the fourth when J.P. Crawford singled, moved up on a walk to Randy Arozarena, and scored on Dominic Canzone's two-run single to left. Tomoyuki Sugano took the tough-luck loss, allowing just one earned run over five innings, but his offense never mounted a threat against Anderson's mix of fastballs and breaking balls. Colorado's best chance came in the sixth when Adael Amador singled and Cole Carrigg followed with a hit, but Anderson struck out Hunter Goodman to end the inning. The Rockies' lineup, missing any real thump despite home-field advantage, went 0-for-3 with runners in scoring position and left six men on base.

Key factors

  • Kade Anderson's command dominance — 7 IP, 7 K, 0 BB, and only 3 hits allowed completely neutralized the Rockies' lineup.
  • Seattle's plate discipline edge — they drew three walks to Colorado's none, creating the only meaningful scoring opportunity of the game.
  • Rockies' offensive ineptitude with runners on — 0-for-3 with RISP and six LOB, unable to cash in even when they got base runners.

The Analyst's verdict

Anderson's breakout performance suggests the Mariners have a legitimate rotation piece for the stretch run, but the offense still shows the inconsistency that has plagued them all year. For the Rockies, the inability to generate any offense against a rookie lefty at home raises serious questions about their lineup construction heading into the offseason.

Matchup edge

Even on form: both teams went 2-3 in their last 5 games.

Matchup to watch: Seattle Mariners’ attack (index 91) against Colorado Rockies’ defence (index 130).

Matchup to watch: Colorado Rockies’ attack (index 104) against Seattle Mariners’ defence (index 99).

Recent form: last 5

Seattle Mariners: 2 wins and 3 losses in the last 5, with 20 runs scored and 19 conceded.

Seattle Mariners
Sep 19, 2026at Colorado RockiesL3–5
Sep 18, 2026at Colorado RockiesW5–4
Sep 16, 2026at Los Angeles AngelsW7–2
Sep 15, 2026at Los Angeles AngelsL1–2
Sep 14, 2026at Los Angeles AngelsL4–6

Colorado Rockies: 2 wins and 3 losses in the last 5, with 23 runs scored and 29 conceded.

Colorado Rockies
Sep 19, 2026vs Seattle MarinersW5–3
Sep 18, 2026vs Seattle MarinersL4–5
Sep 17, 2026vs San Diego PadresL2–9
Sep 16, 2026vs San Diego PadresL3–9
Sep 15, 2026vs San Diego PadresW9–3

Results before kickoff, newest first.

Head-to-head

In the last 5 meetings on record, Seattle Mariners won 4, Colorado Rockies won 1.

Sep 19, 2026Colorado Rockies5–3Seattle Mariners
Sep 18, 2026Colorado Rockies4–5Seattle Mariners
Sep 25, 2025 · last seasonSeattle Mariners6–2Colorado Rockies
Sep 24, 2025 · last seasonSeattle Mariners9–2Colorado Rockies
Sep 23, 2025 · last seasonSeattle Mariners4–3Colorado Rockies

Season so far

Seattle Mariners are 23rd of 30 on win rate after 155 games (72-83).

Colorado Rockies are 30th of 30 on win rate after 155 games (57-98).

#TeamPWLRuns
23Seattle Mariners1557283632:689
30Colorado Rockies1555798726:902

Team season model

  • Seattle Mariners attack index 91: 9% less scoring per game than the league average.
  • Seattle Mariners defence index 99: 1% less conceded per game than the league average.
  • Colorado Rockies attack index 104: 4% more scoring per game than the league average.
  • Colorado Rockies defence index 130: 30% more conceded per game than the league average.

Index 100 is the league average per game. Above 100 in attack means more scoring; below 100 in defence means fewer conceded.

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