Mariners vs Pirates Prediction, Odds, Moneyline, Spread & Over/Under for July 4

Odds updated as of 9:12 a.m.

The Seattle Mariners are among the MLB squads playing on Friday, up against the Pittsburgh Pirates.

We've got you covered, in terms of the most important information regarding this game before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Pirates Game Info

• Seattle Mariners (45-42) vs. Pittsburgh Pirates (38-50)
• Date: Friday, July 4, 2025
• Time: 4:10 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: ROOT Sports NW and SportsNet PT

Mariners vs Pirates Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-198) | PIT: (+166)
• Spread: SEA: -1.5 (+112) | PIT: +1.5 (-134)
• Total: 7.5 -- Over: (-100) | Under: (-122)

Mariners vs Pirates Probable Starting Pitchers

Probable Pitchers: Bryan Woo (Mariners) - 7-4, 2.75 ERA vs Bailey Falter (Pirates) - 6-3, 3.62 ERA

The Mariners will give the nod to Bryan Woo (7-4, 2.75 ERA), who is eyeing win No. 8 on the season, and the Pirates will turn to Bailey Falter (6-3, 3.62 ERA). Woo's team is 7-9-0 against the spread this season in his starts. Woo's team has won 60% of his starts when they are favored on the moneyline (6-4). The Pirates have gone 10-5-0 ATS in Falter's 15 starts that had a set spread. The Pirates have a 6-5 record in Falter's 11 starts this season when they were the moneyline underdog.

Mariners vs Pirates Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (64.7%)

Mariners vs Pirates Moneyline

• Looking at the moneyline for Mariners-Pirates, Seattle is the favorite at -198, and Pittsburgh is +166 playing on the road.

Mariners vs Pirates Spread

• The Mariners are favored by 1.5 runs at home against the Pirates. The Mariners are +112 to cover the spread, while the Pirates are -134.

Mariners vs Pirates Over/Under

• The over/under for the Mariners versus Pirates game on July 4 has been set at 7.5, with -100 odds on the over and -122 odds on the under.

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

Mariners vs Pirates Betting Trends

• The Mariners have been chosen as favorites in 55 games this year and have walked away with the win 30 times (54.5%) in those games.
• Seattle has a record of 2-2 when favored by -198 or more this year.
• Contests with the Mariners have gone over the total set by oddsmakers in 46 of 85 chances this season.
• The Mariners are 37-48-0 against the spread in their 85 games that had a posted line this season.
• The Pirates have been the underdog on the moneyline 56 total times this season. They've gone 24-32 in those games.
• Pittsburgh has a record of 5-8 when playing as a moneyline underdog with odds of +166 or longer (38.5%).
• In the 81 games bookmakers have set an over/under for the Pirates, they have combined with opponents to go over the total 32 times (32-46-3).
• The Pirates are 41-40-0 ATS this season.

Mariners Player Leaders

• Cal Raleigh has 85 hits, which is tops among Seattle hitters this season, while batting .268 with 49 extra-base hits. He has an on-base percentage of .378 and a slugging percentage of .631.
• He is 63rd in batting average, 15th in on-base percentage, and second in slugging among all qualified hitters in MLB.
• Julio Rodriguez has an OPS of .705, fueled by an OBP of .310 and a team-best slugging percentage of .395 this season. He's batting .252.
• Among qualified hitters, his batting average places him 93rd, his on-base percentage 115th, and his slugging percentage 107th.
• Randy Arozarena has collected 78 base hits, an OBP of .358 and a slugging percentage of .433 this season.
• J.P. Crawford leads Seattle with an OBP of .387 this season while batting .285 with 50 walks and 38 runs scored.
• Crawford takes a five-game hitting streak into this matchup. During his last five outings he is batting .364 with a double and an RBI.

Pirates Player Leaders

• Oneil Cruz leads the Pirates with 59 hits. He's batting .210 and slugging .416 with an on-base percentage of .322.
• Including all qualified hitters in MLB, his batting average places him 150th, his on-base percentage is 91st, and he is 89th in slugging.
• Bryan Reynolds leads his team with a .393 slugging percentage. He has a batting average of .237 with an on-base percentage of .301.
• Including all qualifying hitters, he is 125th in batting average, 127th in on-base percentage and 111th in slugging percentage.
• Andrew McCutchen has put up a team-high .352 on-base percentage.
• Isiah Kiner-Falefa has 10 doubles, two triples, a home run and 12 walks while batting .277.

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