Royals vs. Mariners Prediction: Seattle Predicted to Win Thursday's MLB Matchup [7/3/2025]

MLB action continues on Thursday at 10:10PM ET as the Kansas City Royals take on the Seattle Mariners at T-Mobile Park.

The Mariners will have Logan Evans (3-2, 3.38 ERA) as their starting pitcher, pitting him against Seth Lugo (5-5, 2.74 ERA) for the Royals.

Based on the latest simulation results, Dimers' advanced MLB model (see Dimers Pro for full access) predicts the Mariners as the most likely winner of today's game.

"Using the latest data, our experts simulated Thursday's Royals-Mariners game 10,000 times," said Dimers' Chief Content Officer, Nick Slade.

"Taking into account recent updates and various additional inputs, we forecast the Mariners with a win probability of 51% and the Royals with 49%."

For a closer look at Thursday's matchup, including best bets and picks, visit our interactive Royals vs. Mariners predictions page.

Mariners vs. Royals Prediction: Who Will Win, Cover the Run Line?

Using powerful machine learning and data, we have simulated the outcome of Thursday's MLB matchup between the Royals and Mariners 10,000 times as part of our MLB predictions coverage.

Our leading predictive model gives the Mariners a 51% chance of defeating the Royals.

According to our model, the Royals (+1.5) have a 67% chance of covering the run line, while the 7.5-run over/under has a 51% chance of going over.

Royals vs. Mariners Odds [7/3/2025]

We have researched the best MLB odds in America for this game, which are listed here:

Bet Type	Royals	Mariners
Run Line	+1.5 (-205)	-1.5 (+175)
Moneyline	+107	-120
Total	o7.5 (+100)	u7.5 (-120)

All odds are correct at the time of publication and are subject to change.

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Royals vs. Mariners Picks and Best Bets

Our model's biggest edge in today's Royals vs. Mariners matchup is on the run line.

Our expert predictions, aligned with the latest odds, reveal the best MLB picks and MLB best bets for every game throughout the season.

Unlimited access to our full set of picks, including this one, is available via Dimers Pro.

Calling Our Shot's Best Bets

Calling Our Shot produces daily MLB betting content, including the latest predictions featured below.

Royals vs. Mariners Game-Day Updates and Essential Details

Thursday's MLB action between the Mariners and Royals at T-Mobile Park is scheduled to begin at 10:10PM ET.

• Who: Kansas City Royals vs. Seattle Mariners
• Date: Thursday, July 3, 2025
• Time: 10:10PM ET/7:10PM PT
• Venue: T-Mobile Park

Dimers.com's in-depth preview of Thursday's Royals vs. Mariners matchup includes our prediction, picks and the latest betting odds.

Before making any Royals vs. Mariners picks, be sure to check out the latest MLB predictions and betting advice from Dimers Pro.

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Conclusion

We predict the Mariners, with a 51% win probability, will likely beat the Royals on Thursday.

AI and automation have enhanced this article to quickly deliver accurate Royals vs. Mariners insights, with human oversight ensuring high editorial quality. Our predictions are based on the latest data to help you make informed decisions. For additional resources and advice on responsible gambling, please call 1-800-GAMBLER.

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