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Guardians vs. Mariners prediction: Seattle favored to win Saturday's MLB matchup [3/28/2026]
Updated: | First published:
Written by Jason Bevilacqua, Head of Content and Communities
Get Cleveland Guardians vs Seattle Mariners predictions for MLB Saturday.
The Seattle Mariners will face the Cleveland Guardians in MLB action at T-Mobile Park on Saturday, beginning at 9:40 PM ET.
The Mariners will have Bryan Woo (0-0, 0.00 ERA) as their starting pitcher, while the Guardians have opted for Joey Cantillo (0-0, 0.00 ERA).
Based on updated simulations, Dimers' refined MLB model projects the Mariners as the most likely winner of the Guardians vs. Mariners game.
This article offers an expanded analysis of Saturday's matchup, including best bets and picks.
Guardians vs. Mariners prediction: Who will win and cover?
Using trusted machine learning and data, we have simulated the outcome of Saturday's MLB game between the Guardians and Mariners, forming part of our MLB predictions coverage.
Our leading predictive model currently gives the Mariners a 61% chance of beating the Guardians.
According to our model, the Guardians (+1.5) have a 58% chance of covering the run line, while the over/under total of seven runs has a 51% chance of going over.
Guardians vs. Mariners odds [3/28/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
| Bet Type | Guardians | Mariners |
|---|---|---|
| Run Line | +1.5 (-150) | -1.5 (+126) |
| Moneyline | +158 | -178 |
| Total | o7 (-102) | u7 (-115) |
All odds are correct at the time of publication and are subject to change.
Guardians vs. Mariners picks and best bet
After matching our predictions against the best current odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Mariners -1.5 | +126 |
| Moneyline | Guardians | +158 |
| Total | Over 7 | -102 |
According to our MLB best bets, the top play to make on this game is Guardians to win.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Guardians vs. Mariners game-day updates and essential details
Saturday's MLB matchup between the Mariners and Guardians at T-Mobile Park is scheduled to commence at 9:40 PM ET.
- Who: Cleveland Guardians vs. Seattle Mariners
- Date: Saturday, March 28, 2026
- Time: 9:40 PM ET/6:40PM PT
- Venue: T-Mobile Park
Conclusion
We predict the Mariners, with a 61% win probability, will likely beat the Guardians on Saturday.
AI and automation have enhanced this article to quickly deliver accurate Guardians vs. Mariners insights, with human oversight ensuring high editorial quality. Our predictions are based on up-to-date data to help you make informed decisions. For additional resources and advice, head to our responsible gambling hub.
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Jason Bevilacqua, an expert in MLB, NHL, NBA, MLS, and NFL, delivers game previews, best bets, and props. Since 2020, as Head of Social and Community at Dimers, he has contributed insightful articles utilizing data-driven models and simulations.
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