Pirates vs Mariners Prediction, Odds, Moneyline, Spread & Over/Under for July 6

Odds updated as of 11:14 a.m.
The Seattle Mariners versus the Pittsburgh Pirates is on the MLB schedule for Sunday.
We've got you covered, in terms of the most important information about this matchup before you take a look at the MLB odds and spreads on FanDuel Sportsbook.
Mariners vs Pirates Game Info
- Seattle Mariners (47-42) vs. Pittsburgh Pirates (38-52)
- Date: Sunday, July 6, 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: (-166) | PIT: (+140)
- Spread: SEA: -1.5 (+130) | PIT: +1.5 (-156)
- Total: 7 -- Over: (-122) | Under: (-100)
Mariners vs Pirates Probable Starting Pitchers
Probable Pitchers: George Kirby (Mariners) - 2-4, 4.85 ERA vs Paul Skenes (Pirates) - 4-7, 2.03 ERA
The probable pitchers are George Kirby (2-4) for the Mariners and Paul Skenes (4-7) for the Pirates. Kirby and his team have a record of 2-6-0 against the spread when he starts. When Kirby starts a game and his team is the favorite on the moneyline, they have a record of 3-3. The Pirates have a 7-11-0 ATS record in Skenes' 18 starts with a set spread. The Pirates have a 3-1 record in Skenes' four 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 (52.7%)
Mariners vs Pirates Moneyline
- Pittsburgh is a +140 underdog on the moneyline, while Seattle is a -166 favorite at home.
Mariners vs Pirates Spread
- The Pirates are at the Mariners, and are +1.5 on the runline. The Pirates are +130 to cover the spread, and the Mariners are -156.
Mariners vs Pirates Over/Under
- An over/under of 7 has been set for Mariners-Pirates on July 6, with the over being -122 and the under -100.
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Mariners vs Pirates Betting Trends
- The Mariners have been favorites in 57 games this season and have come away with the win 32 times (56.1%) in those contests.
- This year Seattle has won eight of 15 games when listed as at least -166 on the moneyline.
- Contests with the Mariners have gone over the total set by oddsmakers in 46 of 87 chances this season.
- In 87 games with a line this season, the Mariners have a mark of 38-49-0 against the spread.
- The Pirates have won 24 of the 58 games they were the moneyline underdog this season (41.4%).
- Pittsburgh has gone 8-17 when it has played as a moneyline underdog with odds of +140 or longer (32%).
- The Pirates have combined with opponents to hit the over on the total 32 times this season for a 32-48-3 record against the over/under.
- The Pirates have a 42-41-0 record against the spread this season (covering 50.6% of the time).
Mariners Player Leaders
- Cal Raleigh leads Seattle in total hits (87) this season while batting .270 with 51 extra-base hits. He has an on-base percentage of .383 and a slugging percentage of .646.
- He ranks 54th in batting average, 11th in on-base percentage, and second in slugging among qualified batters in baseball.
- Julio Rodriguez has hit 11 homers this season while driving in 43 runs. He's batting .247 this season and slugging .387 with an on-base percentage of .307.
- His batting average is 107th among qualified players, his on-base percentage 116th, and his slugging percentage 115th.
- Randy Arozarena has 80 hits this season and has a slash line of .248/.355/.438.
- J.P. Crawford is slashing .285/.386/.380 this season and leads the Mariners with an OPS of .766.
- Crawford brings a seven-game hitting streak into this matchup. In his last 10 outings he is batting .318 with two doubles, a walk and an RBI.
Pirates Player Leaders
- Oneil Cruz has collected 59 hits, a team-best for the Pirates. He's batting .206 and slugging .408 with an on-base percentage of .319.
- Including all the qualifying hitters in the big leagues, his batting average ranks 153rd, his on-base percentage ranks 95th, and he is 94th in slugging.
- Bryan Reynolds is slugging .384 to pace his team. He has a batting average of .232 with an on-base percentage of .298.
- He ranks 129th in batting average, 130th in on-base percentage and 116th in slugging percentage in the big leagues.
- Andrew McCutchen has racked up an on-base percentage of .343, a team-best for the Pirates.
- Isiah Kiner-Falefa is hitting .272 with 10 doubles, two triples, a home run and 13 walks.
Mariners vs Pirates Head to Head
- 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)
- 5/26/2023: 11-6 PIT (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -162, Underdog Moneyline: +136)
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