Mariners vs Pirates Prediction, Odds, Moneyline, Spread & Over/Under for July 5

Odds updated as of 3:12 p.m.
MLB action on Saturday includes the Seattle Mariners facing the Pittsburgh Pirates.
Before you do any MLB betting on this matchup at FanDuel Sportsbook, here's everything you need to know.
Mariners vs Pirates Game Info
- Seattle Mariners (46-42) vs. Pittsburgh Pirates (38-51)
- Date: Saturday, July 5, 2025
- Time: 10:10 p.m. ET
- Venue: T-Mobile Park -- Seattle, Washington
- Coverage: Fox Sports 1, 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: (-172) | PIT: (+144)
- Spread: SEA: -1.5 (+130) | PIT: +1.5 (-156)
- Total: 7 -- Over: (-122) | Under: (-100)
Mariners vs Pirates Probable Starting Pitchers
Probable Pitchers: Luis Castillo (Mariners) - 4-5, 3.55 ERA vs Mike Burrows (Pirates) - 1-2, 4.15 ERA
The Mariners will call on Luis Castillo (4-5) versus the Pirates and Mike Burrows (1-2). Castillo's team is 7-10-0 against the spread this season in his starts. Castillo's team has won 53.8% of his starts when they are favored on the moneyline (7-6). The Pirates have gone 4-2-0 ATS in Burrows' six starts with a set spread. The Pirates are 3-3 in Burrows' six starts this season that they were the moneyline underdog.
Mariners vs Pirates Prediction & Pick
All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (59.4%)
Mariners vs Pirates Moneyline
- Seattle is a -172 favorite on the moneyline, while Pittsburgh is a +144 underdog on the road.
Mariners vs Pirates Spread
- The Mariners are hosting the Pirates and are favored by 1.5 runs (+130 to cover) on the runline. Pittsburgh is -156 to cover.
Mariners vs Pirates Over/Under
- Mariners versus Pirates, on July 5, has an over/under of 7, with the over being -122 and the under -100.
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Mariners vs Pirates Betting Trends
- The Mariners have come away with 31 wins in the 56 contests they have been listed as the favorites in this season.
- Seattle has a record of 5-5 in contests when bookmakers favor them by -172 or more on the moneyline.
- The Mariners' games have gone over the total in 46 of their 86 opportunities.
- The Mariners have posted a record of 38-48-0 against the spread this season.
- The Pirates have won 24 of the 57 games they were listed as the moneyline underdog this season (42.1%).
- When it has played as a moneyline underdog with odds of +144 or longer, Pittsburgh has an 8-15 record (winning only 34.8% of its games).
- The Pirates have played in 82 games with a set over/under, and have combined with their opponents to go over the total 32 times (32-47-3).
- The Pirates have gone 41-41-0 against the spread this season.
Mariners Player Leaders
- Cal Raleigh has 87 hits, which is best among Seattle hitters this season, while batting .271 with 51 extra-base hits. He has an on-base percentage of .379 and a slugging percentage of .648.
- Among the qualifying hitters in baseball, his batting average ranks 56th, his on-base percentage ranks 13th, and he is second in slugging.
- Julio Rodriguez has an OPS of .698, fueled by an OBP of .307 and a team-best slugging percentage of .391 this season. He's batting .249.
- He ranks 105th in batting average, 115th in on-base percentage and 110th in slugging in the majors.
- Randy Arozarena has collected 80 base hits, an OBP of .359 and a slugging percentage of .443 this season.
- J.P. Crawford leads Seattle in OBP (.385) this season, fueled by 89 hits.
- Crawford heads into this matchup on a six-game hitting streak. In his last 10 outings he is batting .289 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 .208 and slugging .412 with an on-base percentage of .321.
- Including all the qualifying hitters in MLB, his batting average ranks 151st, his on-base percentage is 93rd, and he is 93rd in slugging.
- Bryan Reynolds paces his team with a .389 slugging percentage. He has a batting average of .235 with an on-base percentage of .301.
- He is currently 127th in batting average, 126th in on-base percentage and 114th in slugging percentage among all qualified hitters.
- Andrew McCutchen a has .347 on-base percentage to lead the Pirates.
- Isiah Kiner-Falefa has 10 doubles, two triples, a home run and 13 walks while hitting .275.
Mariners vs Pirates Head to Head
- 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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