Pirates vs. Mariners Prediction: Seattle Predicted to Win Friday's MLB Matchup [7/4/2025]

The Seattle Mariners will take on the Pittsburgh Pirates in MLB action at T-Mobile Park on Friday, starting at 4:10PM ET.

Bryan Woo (7-4, 2.93 ERA) will be on the bump for the Mariners, while the Pirates are going with Bailey Falter (6-3, 3.62 ERA).

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

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

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

Using trusted machine learning and statistical analysis, we have simulated the outcome of Friday's MLB matchup between the Pirates and Mariners 10,000 times as part of our MLB predictions coverage.

Our independent predictive model currently gives the Mariners a 62% chance of beating the Pirates.

According to our model, the Pirates (+1.5) have a 58% chance of covering the run line, while the over/under total of 7.5 runs has a 51% chance of going over.

Pirates vs. Mariners Odds [7/4/2025]

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

Bet Type	Pirates	Mariners
Run Line	+1.5 (-150)	-1.5 (+130)
Moneyline	+154	-178
Total	o7.5 (+104)	u7.5 (-128)

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

Make the most of your sports betting experience by exploring our comprehensive list of US betting apps, and the latest sportsbooks in 2025, ensuring you never miss a top new-user deal.

Pirates vs. Mariners Picks and Best Bets

Our model's biggest edge in today's Pirates 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 complete set of picks, including this one, is available via Dimers Pro.

Calling Our Shot's Free ⚾️ Picks

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

Pirates vs. Mariners Game-Day Updates and Essential Details

Friday's MLB game between the Mariners and Pirates at T-Mobile Park is scheduled to begin at 4:10PM ET.

• Who: Pittsburgh Pirates vs. Seattle Mariners
• Date: Friday, July 4, 2025
• Time: 4:10PM ET/1:10PM PT
• Venue: T-Mobile Park

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

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

Sports Betting Deals Available for 4th of July

To make the most of Friday's massive day of sports, headlined by WNBA, MLB, the John Deere Classic and of course Nathan's Famous Hot Dog Eating Context, check out details on the latest Bet365 bonus code "DIMERS" that secures the choice of two exceptional signup promotions. Don't miss out!

Conclusion

We predict the Mariners, with a 62% win probability, will likely beat the Pirates on Friday.

AI and automation have enhanced this article to quickly deliver accurate Pirates 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 on responsible gambling, please call 1-800-GAMBLER.

Note: Clicking links to our partners may earn us a referral fee. Learn about how we review products and services.

More on MLB

Stay informed with the latest MLB news and MLB parlay picks throughout the season. Plus, our World Series odds provide the most accurate predictions for the World Series, American League, National League and each division.