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Colorado Rockies vs Seattle Mariners predictions, Sep 20, 2026

Yuriy Borshchenko

MLB, Coors Field (Denver, CO) on Sunday,

Score, Highlights

Short Preview

As the Colorado Rockies prepare to host the Seattle Mariners on September 20, 2026, both teams come into this matchup with differing recent forms. The Rockies have managed to secure only 1 win in their last 5 games, indicating struggles in both offense and pitching. This downturn may impact their confidence as they face a Mariners team that has fared slightly better, winning 2 out of their last 5.

Statistical analysis reveals that the Mariners hold the edge according to bookmakers, with odds of 1.59 for an away win compared to the Rockies’ 2.41 for a home victory. Our model suggests a 41.6% probability of a Rockies win, contrasted with a robust 58.4% likelihood of a Mariners triumph.

Tactically, the Mariners have shown resilience in their recent games, performing well under pressure and often capitalizing on critical opportunities. The Rockies, meanwhile, will need to bolster their batting lineup to stay competitive in this encounter. Predicted outcomes lean favorably towards Seattle, with a final score forecast of 5:7. As always, given the unpredictable nature of baseball, this matchup promises to deliver entertainment without any guaranteed outcomes.

This preview is generated with the Welcome.Bet AI Insights Engine, combining form data, betting odds, and semantic SEO optimization to deliver relevant match analysis for fans and bettors alike from 2026-09-19T22:52:02+00:00.

Colorado
39.8%		 Seattle
60.2%

Prediction (the most likely score): 5:7

Outrights of MLB Seattle Mariners: 0.33%

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Betting Odds

1 X 2
2.43 1.58
2.41 1.65
2.45 1.60
2.39 1.56

Latest Results

18.09.26 Colorado Rockies – Seattle Mariners – 4:5
17.09.26 Colorado Rockies – San Diego Padres – 2:9
16.09.26 Colorado Rockies – San Diego Padres – 3:9
15.09.26 Colorado Rockies – San Diego Padres – 9:3
14.09.26 Colorado Rockies – San Diego Padres – 7:8		 18.09.26 Colorado Rockies – Seattle Mariners – 4:5
16.09.26 Los Angeles Angels – Seattle Mariners – 2:7
15.09.26 Los Angeles Angels – Seattle Mariners – 2:1
14.09.26 Los Angeles Angels – Seattle Mariners – 6:4
13.09.26 Athletics Baseball – Seattle Mariners – 8:7

Facts

  • Crucial home points are at stake for a lower-table team looking to climb out of danger (ranked 15th and 11th).
  • In the last 5 head-to-head matches, Colorado won 1.
  • Recent results have been tough for Colorado (last 5 matches: 1 win).
  • Seattle has shown an inconsistent pattern in recent weeks (last 5 matches: 2 wins).
  • Colorado may face physical fatigue compared to their opponent, having played more matches in recent days.
  • Recently, Colorado has enjoyed a run of consecutive matches in front of its home crowd.
  • Recently, Seattle has had a run of games away from home.
  • Seattle is expected to hold a slight competitive edge in this match.
  • In the last 20 head-to-head meetings, Colorado has recorded 8 wins, 0 draws, and 12 losses, with a goal aggregate of 74:99 (averaging 3.7:5 goals per game).
  • Specifically in home fixtures for Colorado against this opponent, the record stands at 5 wins, 0 draws, and 5 losses, with 38:47 goals (averaging 3.8:4.7 per game).

    • Latest Head To Head

    18.09.26 Colorado Rockies – Seattle Mariners – 4:5
    11.03.26 Seattle Mariners – Colorado Rockies – 7:11
    25.09.25 Seattle Mariners – Colorado Rockies – 6:2
    24.09.25 Seattle Mariners – Colorado Rockies – 9:2
    23.09.25 Seattle Mariners – Colorado Rockies – 4:3

    Standings

    Main

    American League

    Pl W L PCT
    1 Tampa Bay Rays 154 94 60 702:623 0.610
    2 New York Yankees 153 89 64 706:563 0.582
    3 Boston Red Sox 155 84 71 677:593 0.542
    4 Cleveland Guardians 155 80 75 648:647 0.516
    5 Chicago White Sox 155 79 76 725:690 0.510
    6 Texas Rangers 155 78 77 651:680 0.503
    7 Houston Astros 155 77 78 686:743 0.497
    8 Toronto Blue Jays 155 76 79 622:669 0.490
    9 Baltimore Orioles 155 75 80 693:721 0.484
    10 Detroit Tigers 155 73 82 696:621 0.471
    11 Seattle Mariners 154 72 82 629:684 0.468
    12 Minnesota Twins 154 72 82 699:770 0.468
    13 Kansas City Royals 155 67 88 653:754 0.432
    14 Athletics 155 61 94 670:892 0.394
    15 Los Angeles Angels 154 59 95 619:699 0.383

    National League

    Pl W L PCT
    1 Milwaukee Brewers 155 97 58 799:600 0.626
    2 Los Angeles Dodgers 154 94 60 767:582 0.610
    3 Atlanta Braves 155 91 64 718:600 0.587
    4 Chicago Cubs 155 86 69 826:682 0.555
    5 San Diego Padres 154 85 69 676:640 0.552
    6 Philadelphia Phillies 155 85 70 690:666 0.548
    7 Arizona Diamondbacks 154 80 74 680:687 0.519
    8 Pittsburgh Pirates 155 78 77 744:716 0.503
    9 Miami Marlins 154 76 78 683:681 0.494
    10 St.Louis Cardinals 154 75 79 694:716 0.487
    11 Washington Nationals 154 72 82 787:776 0.468
    12 Cincinnati Reds 155 72 83 641:796 0.465
    13 New York Mets 155 71 84 666:702 0.458
    14 San Francisco Giants 154 64 90 651:727 0.416
    15 Colorado Rockies 154 56 98 721:899 0.364

    MLB Outrights

    1. Los Angeles Dodgers: 3 (27.37%)

    2. Milwaukee Brewers: 7 (11.73%)

    3. New York Yankees: 8.5 (9.66%)

    4. Tampa Bay Rays: 9.5 (8.64%)

    5. Philadelphia Phillies: 15 (5.47%)

    6. Boston Red Sox: 15 (5.47%)

    7. Atlanta Braves: 15 (5.47%)

    8. Chicago Cubs: 17 (4.83%)

    9. Houston Astros: 19 (4.32%)

    10. Cleveland Guardians: 20 (4.11%)

    11. Chicago White Sox: 25 (3.28%)

    12. San Diego Padres: 30 (2.74%)

    13. Toronto Blue Jays: 35 (2.35%)

    14. Texas Rangers: 35 (2.35%)

    15. Arizona Diamondbacks: 150 (0.55%)

    16. Seattle Mariners: 250 (0.33%)

    17. Detroit Tigers: 250 (0.33%)

    18. Baltimore Orioles: 250 (0.33%)

    19. Minnesota Twins: 250 (0.33%)

    20. Pittsburgh Pirates: 250 (0.33%)

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