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MLB · Final

Mariners Edge Rockies in Close Contest at Coors Field

Friday, September 18, 2026, 8:10 PM ET · Coors Field

Seattle Mariners 5, Colorado Rockies 4, final. Our MLB picks are sealed as a hash before kickoff and settled in public, losses included.

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Quick answers

Who won Seattle Mariners vs Colorado Rockies?

Seattle Mariners beat Colorado Rockies 5-4 at Coors Field on September 18, 2026.

Who was favored in Seattle Mariners vs Colorado Rockies?

Seattle Mariners were the favorite at DraftKings, moneyline -191 (about 66% implied). The favorite won.

In a tightly contested game at Coors Field, the Seattle Mariners narrowly defeated the Colorado Rockies with a final score of 5-4. This victory allowed the Mariners to extend their lead in the series to 2-0 against the Rockies, having previously won their matchup on September 26, 2025, with scores of 2-6, 2-9, and 3-4 in the last three encounters.

The Rockies entered this game with a home record of 56-98, struggling significantly in their recent outings. Over their last ten games, they have managed only two wins against eight losses, with an average of 4.6 runs scored and 7.3 runs allowed per game. Their last five games saw them record just one win, further emphasizing their difficulties, particularly at home where they are 2-2 in their last ten home games but have lost all six of their recent away games.

Conversely, the Mariners, with an away record of 72-82, have shown some resilience, winning three of their last ten games. They are currently on a one-game winning streak, having defeated the Los Angeles Angels 7-2 in their most recent game. Their scoring average of 5.7 runs per game, while allowing only 5.0 runs, indicates a more balanced performance compared to the Rockies.

In terms of injuries, the Rockies faced significant challenges with multiple players on the injured list, including Kris Bryant, Jose Quintana, Willi Castro, McCade Brown, and Chase Dollander, all of whom were unavailable for this game. The Mariners also had their share of injuries, with Brendan Donovan on the 7-Day IL due to a concussion, alongside Brennen Davis, Cole Wilcox, Will Wilson, and Emerson Hancock, who are all on the injured list for various reasons.

The betting odds from DraftKings indicated that the Mariners were favored at -191, while the Rockies were listed at +157. The spread was set at 1.5, with a total of 10.5 runs for the game, reflecting expectations of a competitive matchup.

The game itself featured a series of scoring plays that kept fans on the edge of their seats. In the first inning, the Mariners struck first with a home run from Crawford, followed by a two-run single from Naylor, giving Seattle an early 3-0 lead. The Rockies responded with a run of their own when Carrigg singled to right, allowing Goodman to score, making it 3-1.

As the game progressed, the Rockies continued to battle back. In the fourth inning, McCarthy's single brought Tovar home, narrowing the gap to 3-2. The Rockies tied the game in the sixth inning when McCarthy tripled, scoring Tovar, and later Norby's single allowed McCarthy to score, putting the Rockies ahead 4-3.

However, the Mariners were not to be outdone. In the seventh inning, Canzone's sacrifice fly tied the game at 4-4, setting the stage for a dramatic finish. The climax came in the ninth inning when Montes hit a home run, measuring 426 feet, giving the Mariners a 5-4 lead that they would hold onto for the win.

Conditions at Coors Field were typical for late September, with the high altitude often favoring hitters, which was evident in the scoring. Viewers were treated to a showcase of resilience from both teams, particularly the Mariners, who managed to secure the win despite being outscored in the later innings.

As the season winds down, both teams are looking to build momentum, but the Mariners have found a crucial win that could help them in their playoff push. The Rockies, meanwhile, will need to regroup and find a way to overcome their ongoing struggles as they look ahead to the remainder of the season.

What we said beforehand

The upcoming game between the Colorado Rockies and the Seattle Mariners at Coors Field promises to be intriguing, especially as the series is currently tied 1-1. Both teams are looking to gain an edge as they head into this matchup, with the Rockies holding a home record of 56-97 and the Mariners at 71-82 for the season.

The Rockies have struggled recently, with a record of 2-8 in their last ten games. Their last five results include a win against the San Diego Padres, where they triumphed 9-3, but they have since lost four consecutive games, including a 9-2 defeat to the Padres. Over this stretch, the Rockies have averaged 4.6 runs scored per game while allowing 7.3 runs, indicating a significant struggle on the mound.

In contrast, the Mariners have a record of 3-7 in their last ten games, but they come into this match on a high note after defeating the Los Angeles Angels 7-2. Their recent performances have shown some inconsistency, with an average of 5.7 runs scored and 5.0 runs allowed per game. The Mariners have also had notable highs, such as their 19-1 victory against the Athletics, showcasing their offensive capabilities.

At home, the Rockies have a recent record of 2-2, while their away record stands at 0-6. This season, they have averaged 5.4 runs scored and allowed 7.8 runs in their last five home games. The Mariners, on the other hand, have a home record of 1-4 and an away record of 2-3 in their recent games, with an average of 7.2 runs scored and only 3.4 runs allowed in their last five games.

Historically, the Rockies have struggled against the Mariners, losing all three previous meetings last season. The most recent encounter was on September 26, 2025, where they fell 2-6. This trend adds pressure on the Rockies to perform well at home against a team they have not beaten recently.

In terms of injuries, the Rockies are significantly impacted, with Kris Bryant, Jose Quintana, Willi Castro, McCade Brown, and Chase Dollander all on the injured list. The Mariners also have key players sidelined, including Brendan Donovan, Brennen Davis, Cole Wilcox, Will Wilson, and Emerson Hancock.

The weather for the game is expected to be warm, with a temperature of 74°F and a 71% chance of precipitation. Winds will be gusting at 10 mph, which could factor into gameplay, particularly for pitchers and fielders.

The betting odds from DraftKings indicate that the Mariners are favored at -192, with a spread of 1.5 and a total set at 10.5. The over odds are at -114.0, while the under odds are at -105.0. The Rockies have a moneyline of +158.

As the game approaches, viewers should watch for the performance of the Rockies' TJ Rumfield, who leads the team with a batting average of .301, and Hunter Goodman, who has 38 home runs and 81 RBIs. For the Mariners, Randy Arozarena leads with a batting average of .278, contributing 25 home runs and 75 RBIs. The matchup between these players could be pivotal in determining the outcome of the game.

Odds

BookSpreadTotalMoneyline
DraftKingsSEA -191 10.5 o -117 / u -103 Seattle Mariners -191 · Colorado Rockies +157

What these prices pay on $100 · What these numbers mean

Injury report

  • Kris Bryant60-Day-ILBackColorado Rockies
  • Jose Quintana60-Day-ILElbowColorado Rockies
  • Willi Castro10-Day-ILHeelColorado Rockies
  • McCade Brown60-Day-ILShoulderColorado Rockies
  • Chase Dollander60-Day-ILElbowColorado Rockies
  • Brendan Donovan7-Day ILConcussionSeattle Mariners
  • Brennen Davis60-Day-ILHamstringSeattle Mariners
  • Cole Wilcox15-Day-ILObliqueSeattle Mariners
  • Will Wilson60-Day-ILThumbSeattle Mariners
  • Emerson Hancock15-Day-ILGroinSeattle Mariners

Recent form

Colorado Rockies

Last 10: 2-8Streak L14.6 scored · 7.3 allowed per game2-2 at home

  • L3-9vs San Diego PadresSep 17
  • W9-3vs San Diego PadresSep 16
  • L7-8vs San Diego PadresSep 15
  • L1-8at Detroit TigersSep 13
  • L7-11at Detroit TigersSep 12
  • L2-6at Detroit TigersSep 11
  • L3-10at New York YankeesSep 10
  • L1-6at New York YankeesSep 9
  • L3-5at New York YankeesSep 8
  • W10-7vs St. Louis CardinalsSep 6

Seattle Mariners

Last 10: 3-7Streak W15.7 scored · 5 allowed per game2-3 away

  • W7-2at Los Angeles AngelsSep 17
  • L1-2at Los Angeles AngelsSep 16
  • L4-6at Los Angeles AngelsSep 15
  • W19-1at AthleticsSep 13
  • L5-6at AthleticsSep 12
  • W4-3vs Texas RangersSep 10
  • L5-10vs Texas RangersSep 9
  • L2-6vs AthleticsSep 6
  • L6-7vs AthleticsSep 5
  • L4-7vs AthleticsSep 4

Standings

TeamGames behindLostStreakWin %Won
Houston-77L1.50077
Texas-77W1.50077
Seattle582W2.46872
Athletics1693L4.39661
Los Angeles17.594W1.38659
Los Angeles-60W1.60893
San Diego969W2.54984
Arizona1373L2.52380
San Francisco2989W2.41864
Colorado37.598L3.36456

How the scoring went

  1. 1st Inning1-0Crawford homered to right (421 feet).
  2. 1st Inning3-0Naylor singled to right, Arozarena scored and Canzone scored.
  3. 1st Inning3-1Carrigg singled to right, Norby scored, Goodman to second.
  4. 4th Inning3-2McCarthy singled to right, Tovar scored.
  5. 6th Inning3-3McCarthy tripled to center, Tovar scored.
  6. 6th Inning3-4Norby singled to center, McCarthy scored.
  7. 7th Inning4-4Canzone hit sacrifice fly to center, Arroyo scored.
  8. 9th Inning5-4Montes homered to right (426 feet).

Win probability

Above the line favours Colorado Rockies, below favours Seattle Mariners.

Venue

  • Coors FieldDenver, Colorado
  • Attendance40203
  • OfficialsMike Estabrook, Malachi Moore, Edwin Jimenez, Alfonso Marquez

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Fixture data from the league feeds. The report was written from the recorded facts for this game and nothing else.