Mariners vs Reds Prediction and MLB Tips - 22 July 2026
Last updated: Jul 21, 2026, 7:25PM | Published: Jul 20, 2026, 7:57PM
The Seattle Mariners will face the Cincinnati Reds in MLB action at T-Mobile Park on Wednesday, beginning at 11:40am AEST.
Luis Castillo (3-8, 4.93 ERA) will be on the bump for the Mariners, pitting him against Chase Burns (11-1, 2.54 ERA) for the Reds.
This article features Stats Insider's prediction and tips for the Mariners vs Reds game, plus the latest betting odds in Australia.
Who Will Win?
Utilising trusted computer power and data, Stats Insider has simulated the outcome of Wednesday's Seattle vs Cincinnati MLB match-up 10,000 times.
Our leading predictive analytics model currently gives the Mariners a 53% chance of defeating the Reds at T-Mobile Park.
Mariners vs Reds: Odds
The latest betting odds in Australia for Wednesday's MLB game at T-Mobile Park are listed here:
- Head to Head: Mariners $1.83, Reds $2.00
- Line: Mariners -1.5 ($2.75), Reds +1.5 ($1.48)
- 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 $1.83 and the Reds at $2.00.
The Mariners are 1.5-run favourites against the Reds, with odds of $2.75 available at TAB.
For the underdog Reds (+1.5) to cover the line, TAB offers odds of $1.48.
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 model, the Reds (+1.5) are predicted to cover the line 64% of the time, while the 7.5-run over/under is expected to go over 56% of the time.
Mariners vs Reds: Betting Tips
- Head to Head: Seattle at $1.83 with TAB
- Line: Mariners -1.5 at $2.75 with TAB
- Total Runs: Over 7.5 at $1.91 with TAB
These Mariners vs Reds betting tips are based on market-leading modelling and betting expertise to bring you the best possible advice around the clock.
Even though the Reds are more likely to cover the line, our best bet of Mariners -1.5 is based on the probability of that happening, as projected by our predictive analytics model, and the top odds available.
Mariners vs Reds: Prediction
Stats Insider provides full betting coverage of the Seattle vs Cincinnati game on Wednesday, including data-driven predictions and expert tips.
Our model updates frequently, so refresh this page for the latest betting analysis before the Seattle vs Cincinnati game.
As always, see our Best Bets for the best tips for every MLB game, plus predictions for a wide range of other sports.
Mariners vs Reds: Essential Details
The game between the Mariners and Reds at T-Mobile Park is scheduled to begin at 11:40am AEST on Wednesday.
- Teams: Seattle Mariners vs Cincinnati Reds
- Date: Wednesday 22 July 2026
- Time: 11:40am AEST
- Venue: T-Mobile Park
All dates and times in this article are in Australian Eastern Standard Time (AEST), unless otherwise noted.
Conclusion
Our Seattle vs Cincinnati predictions are the result of 10,000 data-driven simulations of the game, all curated by our team of experienced data scientists and analysts. We use cutting-edge technology and machine learning to ensure our MLB tips are accurate and reliable, so that you can make informed decisions with confidence.
If you choose to use our MLB predictions for betting purposes, it's crucial that you gamble responsibly and manage your finances effectively. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
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