Padres vs. Mariners prediction: Seattle favored to win Sunday's MLB matchup [5/17/2026]
Get San Diego Padres vs Seattle Mariners predictions for MLB Sunday.

The Seattle Mariners will square off with the San Diego Padres in MLB action at T-Mobile Park on Sunday, beginning at 7:20 PM ET.
George Kirby (5-2, 2.84 ERA) will start for the Mariners, up against Lucas Giolito (0-0, 0.00 ERA) for the Padres.
Based on the latest simulation results, Dimers' proven MLB model projects the Mariners as the most likely winner of the Padres vs. Mariners game.
This article offers a closer look at Sunday's matchup, including best bets and picks.
Padres vs. Mariners prediction: Who will win and cover?
Our leading predictive model gives the Mariners a 58% chance of defeating the Padres.
According to our model, the Padres (+1.5) have a 59% chance of covering the run line, while the over/under total of 7.5 runs has an equal 50-50 chance of hitting.
Padres vs. Mariners odds [5/17/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
| Bet Type | Padres | Mariners |
|---|---|---|
| Run Line | +1.5 (-164) | -1.5 (+140) |
| Moneyline | +130 | -154 |
| Total | o7.5 (+104) | u7.5 (-128) |
All odds are correct at the time of publication and are subject to change.
Padres vs. Mariners picks and best bet
After matching our predictions against the best available 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 | +140 |
| Moneyline | Padres | +130 |
| Total | Over 7.5 | +104 |
According to our MLB best bets, the top play to make on this game is Over 7.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Padres vs. Mariners game-day updates and essential details
Sunday's MLB action between the Mariners and Padres at T-Mobile Park is scheduled to start at 7:20 PM ET.
- Who: San Diego Padres vs. Seattle Mariners
- Date: Sunday, May 17, 2026
- Time: 7:20 PM ET/4:20PM PT
- Venue: T-Mobile Park
Conclusion
We predict the Mariners, with a 58% win probability, will likely beat the Padres in Sunday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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