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

Odds updated as of 8:13 a.m.

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

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

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

This contest's pitching matchup is set, as the Mariners will send Bryan Woo (7-4) to the mound, while Bailey Falter (6-3) will answer the bell for the Pirates. Woo's team is 7-9-0 against the spread in his starts this season. Woo's team has won 60% of his starts when they are favored on the moneyline (6-4). The Pirates have a 10-5-0 record against the spread in Falter's starts. 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

• Seattle is a -198 favorite on the moneyline, while Pittsburgh is a +166 underdog on the road.

Mariners vs Pirates Spread

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

Mariners vs Pirates Over/Under

• An over/under of 7.5 has been set for Mariners-Pirates on July 4, with the over being -100 and the under -122.

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

Mariners vs Pirates Betting Trends

• The Mariners have won in 30, or 54.5%, of the 55 contests they have been named as odds-on favorites in this year.
• This season Seattle has been victorious two times in four chances when named as a favorite of at least -198 on the moneyline.
• Contests with the Mariners have gone over the total set by bookmakers in 46 of 85 chances this season.
• The Mariners have posted a record of 37-48-0 against the spread this season.
• The Pirates are 24-32 in games they were the underdog on the moneyline (winning 42.9% of those games).
• When playing as a moneyline underdog with odds of +166 or longer, Pittsburgh has a 5-8 record (winning only 38.5% of its games).
• In the 81 games oddsmakers 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.
• Among qualifying hitters in MLB, his batting average ranks 63rd, his on-base percentage ranks 15th, and he is second in slugging.
• 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 78 hits this season and has a slash line of .248/.358/.433.
• J.P. Crawford leads Seattle in OBP (.387) this season, fueled by 88 hits.
• Crawford brings a five-game hitting streak into this game. During his last five outings he is batting .364 with a double and an RBI.

Pirates Player Leaders

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

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