Mariners vs Rockies Prediction and MLB Tips - 25 September 2025
Last updated: Sep 25, 2025, 1:40AM | Published: Sep 24, 2025, 5:28AM
The Seattle Mariners will take on the Colorado Rockies in Game 191 of the American League Division Series at T-Mobile Park on Thursday, commencing at 11:40am AEST.
Luis Castillo (10-8, 3.64 ERA) will start on the mound for the Mariners, while the Rockies will counter with Tanner Gordon (6-7, 6.00 ERA).
This article features Stats Insider's prediction and tips for the Mariners vs Rockies game, as well as the latest betting odds in Australia.
Who Will Win?
Using advanced machine learning and data, Stats Insider has simulated the result of Thursday's Seattle vs Colorado MLB match-up 10,000 times.
Our proven predictive analytics model gives the Mariners a 72% chance of winning against the Rockies at T-Mobile Park.
Mariners vs Rockies: Odds
The latest betting odds in Australia for Thursday's MLB game at T-Mobile Park are listed here:
- Head to Head: Mariners $1.33, Rockies $3.45
- Line: Mariners -1.5 ($1.74), Rockies +1.5 ($2.14)
- Total (Over/Under 7.5 Runs): Over $1.91, Under $1.91
Odds are correct at the time of publication and subject to change.
Looking at the latest head-to-head odds, the bookmakers currently have the Mariners at $1.33 and the Rockies at $3.45.
The Mariners are listed as 1.5-run favourites against the Rockies, with odds of $1.74 available at TAB.
For the underdog Rockies (+1.5) to cover the line, TAB offers odds of $2.14.
The over/under for total runs scored is set at 7.5 with TAB, which has odds of $1.91 for the over and $1.91 for the under.
According to Stats Insider's analytics model, the Mariners (-1.5) are predicted to cover the line 55% of the time, while the 7.5-run over/under is expected to go over 56% of the time.
Mariners vs Rockies: Best Bets
- Head to Head: Colorado at $3.45 with TAB
- Line: Rockies +1.5 at $2.14 with TAB
- Total Runs: Over 7.5 at $1.91 with TAB
Today's Mariners vs Rockies betting tips are based on detailed simulations and gambling intelligence to help you place better bets with your chosen online bookie.
And while the Mariners have a higher chance of winning the game, betting on the Rockies to win is our preferred option due to the edge identified when comparing our data-led probabilities to the odds currently available.
Taking advantage of the edges seen on Stats Insider is crucial to achieving long-term profitability.
Although the Mariners are more likely to cover the line, our best bet of Rockies +1.5 is based on the probability of that happening, as projected by our predictive analytics model, and the best odds available.
Mariners vs Rockies: Prediction
Stats Insider provides full coverage of the Seattle vs Colorado game on Thursday, including data-driven predictions and computer tips.
Remember, our model updates frequently, so keep checking this page for the latest betting tips before the Seattle vs Colorado match-up.
As always, see our Best Bets to get the best tips on every MLB game, as well as predictions for a wide range of other sports.
Mariners vs Rockies: Essential Details
The match-up between the Mariners and Rockies at T-Mobile Park is scheduled to start at 11:40am AEST on Thursday.
- Teams: Seattle Mariners vs Colorado Rockies
- Date: Thursday 25 September 2025
- Time: 11:40am AEST
- Venue: T-Mobile Park
All dates and times mentioned in this article are in Australian Eastern Standard Time (AEST), unless otherwise stated.
Conclusion
Our Seattle vs Colorado predictions have been made based on 10,000 data-driven simulations of the game, carefully curated by our team of experienced data scientists and analysts. We use cutting-edge technology and machine learning to ensure our MLB tips are trustworthy and reliable, giving you the knowledge you need to make informed decisions with confidence.
If you choose to use our predictions for betting purposes, it's important that you gamble responsibly and know when to stop. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
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