Mariners vs Pirates Prediction, Odds, Moneyline, Spread & Over/Under for June 25

Odds updated as of 11:12 a.m.

The Seattle Mariners versus the Pittsburgh Pirates is on the MLB schedule for Thursday.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's what you need to know.

Mariners vs Pirates Game Info

• Seattle Mariners (41-40) vs. Pittsburgh Pirates (40-40)
• Date: Thursday, June 25, 2026
• Time: 12:35 p.m. ET
• Venue: PNC Park -- Pittsburgh, Pennsylvania
• Coverage: SportsNet PT and Mariners.TV

Mariners vs Pirates Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-146) | PIT: (+124)
• Spread: SEA: -1.5 (+118) | PIT: +1.5 (-142)
• Total: 8.5 -- Over: (-105) | Under: (-115)

Mariners vs Pirates Probable Starting Pitchers

Probable Pitchers: Bryce Miller (Mariners) - 3-1, 1.58 ERA vs Bubba Chandler (Pirates) - 2-7, 4.62 ERA

The probable starters are Bryce Miller (3-1) for the Mariners and Bubba Chandler (2-7) for the Pirates. Miller's team is 1-4-0 against the spread in his starts this season. Miller's team has won 40% of his starts when they are favored on the moneyline (2-3). The Pirates have a 6-8-0 record against the spread in Chandler's starts. The Pirates have a 1-6 record in Chandler's seven starts this season when they were the underdog on the moneyline.

Mariners vs Pirates Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (53.1%)

Mariners vs Pirates Moneyline

• The moneyline numbers for Mariners vs. Pirates reveal Seattle as the favorite (-146) and Pittsburgh as the underdog (+124) despite being the home team.

Mariners vs Pirates Spread

• The Mariners are 1.5-run road favorites on the runline against the Pirates. The Mariners are +118 to cover, and the Pirates are -142.

Mariners vs Pirates Over/Under

• The over/under for the Mariners versus Pirates game on June 25 has been set at 8.5, with -105 odds on the over and -115 odds on the under.

Bet on Seattle Mariners vs. Pittsburgh Pirates on FanDuel today!

Mariners vs Pirates Betting Trends

• The Mariners have won in 38, or 52.8%, of the 72 contests they have been named as odds-on favorites in this year.
• Seattle has a record of 14-9 when favored by -146 or more this year.
• The Mariners' games have gone over the total in 38 of their 80 opportunities.
• In 80 games with a line this season, the Mariners have a mark of 29-51-0 against the spread.
• The Pirates have won 13 of the 32 games they were the underdog on the moneyline this season (40.6%).
• When playing as a moneyline underdog with odds of +124 or longer, Pittsburgh has a 4-6 record (winning 40% of its games).
• The Pirates have played in 79 games with an over/under set, and have combined with their opponents to go over the total 45 times (45-32-2).
• The Pirates have a 39-40-0 record ATS this season.

Mariners Player Leaders

• Julio Rodriguez leads Seattle in slugging percentage (.426) thanks to 29 extra-base hits. He has a .248 batting average and an on-base percentage of .309.
• Among all qualifying hitters, he ranks 85th in batting average, his on-base percentage ranks 118th, and he is 80th in slugging.
• Randy Arozarena leads Seattle with 76 hits and an OBP of .369 this season. He's batting .284 and slugging .437.
• He ranks 27th in batting average, 28th in on-base percentage and 71st in slugging in the majors.
• Josh Naylor is batting .257 with a .373 slugging percentage and 33 RBI this year.
• Naylor has logged a hit or more in two straight games. During his last five outings he is batting .316 with two doubles, a walk and an RBI.
• Cole Young is batting .254 with a .319 OBP and 37 RBI for Seattle this season.
• Young has safely hit in three games in a row. During his last five outings he is hitting .200 with a double, a home run, two walks and three RBIs.

Pirates Player Leaders

• Bryan Reynolds has racked up an on-base percentage of .404 and a slugging percentage of .486. Both lead the Pirates. He's batting .290.
• He ranks 18th in batting average, fifth in on-base percentage and 32nd in slugging percentage among all qualifying hitters in the majors.
• Reynolds hopes to build on a 14-game hitting streak in this matchup. During his last 10 games he is batting .459 with five doubles, four home runs, five walks and 12 RBIs.
• Brandon Lowe has collected 71 hits to pace his team. He has a batting average of .246 while slugging .505 with an on-base percentage of .324.
• Including all qualifying hitters, his batting average places him 91st, his on-base percentage is 90th, and he is 26th in slugging.
• Spencer Horwitz is hitting .280 with 11 doubles, a triple, 10 home runs and 40 walks.
• Ryan O'Hearn is batting .285 with 11 doubles, 11 home runs and 20 walks.

Mariners vs Pirates Head to Head

• 6/24/2026: 11-1 PIT (Favorite: Pirates, Spread: -1.5, Total: 7.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 6/23/2026: 3-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 7/6/2025: 1-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 6.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 7/5/2025: 1-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -166, Underdog Moneyline: +140)
• 7/4/2025: 6-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 8/18/2024: 10-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 8/17/2024: 7-2 PIT (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 8/16/2024: 5-3 PIT (Favorite: Pirates, Spread: -1.5, Total: 6.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 5/28/2023: 6-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 5/27/2023: 5-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -225, Underdog Moneyline: +188)

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