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Pirates vs. Mariners Prediction for MLB Saturday [5/27/2023]

The Seattle Mariners and Pittsburgh Pirates lock horns in MLB action at T-Mobile Park on Saturday, starting at 4:10PM ET.

Luis Castillo (3-2, 2.96 ERA) will be on the bump for the Mariners, while the Pirates will counter with Vince Velasquez (4-3, 3.06 ERA).

Dimers' free betting picks for Pirates vs. Mariners, plus game predictions and best odds, are featured below.


Who Will Win: Pirates vs. Mariners

Based on cutting-edge machine learning and data, Dimers.com has simulated Saturday's Pirates-Mariners MLB matchup 10,000 times.

Dimers' proven predictive analytics model, DimersBOT, currently gives the Mariners a 64% chance of winning against the Pirates.

More: Pirates vs. Mariners Simulated 10K Times

Pirates vs. Mariners Odds

  • Run Line: Mariners -1.5 (-102), Pirates +1.5 (-115)
  • Moneyline: Mariners -215, Pirates +188
  • Total: Over/Under 7.5 (-105/-110)

Run Line, Moneyline and Over/Under

The Mariners are listed as -1.5 favorites against the Pirates, with -102 at FanDuel Sportsbook the best odds currently available.

For the underdog Pirates (+1.5) to cover the run line, PointsBet has the best odds currently on offer at -115.

DraftKings Sportsbook currently has the best moneyline odds for the Mariners at -215. That means you can risk $215 to win $100, for a total payout of $315, if they get the W.

Meanwhile, FanDuel Sportsbook currently has the best moneyline odds for the Pirates at +188, where you can bet $100 to profit $188, earning a total payout of $288, if they win.

The Over/Under for total runs scored sits at 7.5 with PointsBet, which currently has the best odds for the Over at -105, while BetMGM currently has the best odds for the Under at -110.

As always, make sure you check all the online sportsbooks that are available in your state for the best MLB odds and lines.

According to DimersBOT, the Pirates (+1.5) have a 55% chance of covering the run line, while the 7.5-run Over/Under has considered an equal 50-50 chance of hitting.

More: Track Your Bets via Dimers' Bet Center

Best Bets for Pirates vs. Mariners


Dimers' best bets are based on detailed simulations and gambling intelligence to help you make better decisions with the legal sportsbooks in America.

While the Mariners are more likely to win the game, according to DimersBOT, betting on the Pirates moneyline is the best option because of the 1.6% edge identified when comparing our data-led probabilities to the sportsbooks' odds currently available.

Taking advantage of the edges published on Dimers is one of the keys to achieving long-term profitability.

Pirates vs. Mariners Probabilities

Click or tap on See Matchup for more.


Dimers has full coverage of Saturday's Pirates-Mariners matchup, including pregame predictions, free picks, and live scores.

Don't forget, DimersBOT updates often, so keep an eye on this article for any changes to our betting insights ahead of Pirates vs. Mariners on Saturday May 27, 2023.


Pirates vs. Mariners 2023

Saturday's matchup between the Mariners and Pirates at T-Mobile Park is scheduled to commence at 4:10PM ET.

  • Who: Pittsburgh Pirates vs. Seattle Mariners
  • Date: Saturday May 27, 2023
  • Time: 4:10PM ET / 1:10PM PT
  • Venue: T-Mobile Park

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Calling Our Shot ⚾️ Best Bets Today

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

Make Smarter Sports Betting Decisions with Dimers

Dimers' picks and predictions are made thanks to 10,000 simulations per game, using reliable and up-to-date data sources and analytical methods.

While our Pirates vs. Mariners picks can help you make informed decisions, it's important that you only bet what you can afford to lose and manage your finances effectively.

For additional resources and advice on responsible gambling, please call 1-800-GAMBLER.

What Other MLB Games Are on Today?

The Pirates and Mariners aren't the only two MLB teams you can bet on today. DimersBOT never stops and we've got picks and best bets for every single MLB game via our MLB Predictions section.

Not only do we provide with you quality predictions, but we also have recommended bets for the Run Line, Over/Under and Moneyline. Sound good? Hell yeah it does!

In addition to MLB picks and predictions, we also provide the best MLB prop bets for today, projecting home runs, RBIs, and more against the best odds available every day of the MLB season.

Lastly, Dimers' Baseball Futures page is our in-house approach to determining who will win the World Series, with our data-led probabilities paired with the best odds to win the World Series.

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