Mariners vs Giants Prediction, Odds, Moneyline, Spread & Over/Under for July 19

Odds updated as of 4:11 p.m.

The Sunday schedule in MLB includes a matchup between the Seattle Mariners and the San Francisco Giants.

All the information you need to make smart wagers on this game at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Mariners vs Giants Game Info

• Seattle Mariners (49-50) vs. San Francisco Giants (42-56)
• Date: Sunday, July 19, 2026
• Time: 4:10 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Mariners.TV and NBCS-BA

Mariners vs Giants Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-158) | SF: (+134)
• Spread: SEA: -1.5 (+142) | SF: +1.5 (-172)
• Total: 7 -- Over: (-122) | Under: (+100)

Mariners vs Giants Probable Starting Pitchers

Probable Pitchers: Logan Gilbert (Mariners) - 7-6, 3.32 ERA vs Robbie Ray (Giants) - 8-6, 3.37 ERA

The probable starters are Logan Gilbert (7-6) for the Mariners and Robbie Ray (8-6) for the Giants. Gilbert and his team have a record of 8-11-0 against the spread when he starts. Gilbert's team is 11-5 this season when he starts and they are the moneyline favorite. The Giants have a 9-7-0 ATS record in Ray's 16 starts that had a set spread. The Giants are 3-5 in Ray's eight starts this season that they were the moneyline underdog.

Mariners vs Giants Moneyline

• Looking at the moneyline for Giants-Mariners, San Francisco is the underdog at +134, and Seattle is -158 playing at home.

Mariners vs Giants Spread

• The Mariners are 1.5-run home favorites on the runline against the Giants. The Mariners are +142 to cover, and the Giants are -172.

Mariners vs Giants Over/Under

• The Mariners-Giants contest on July 19 has been given an over/under of 7 runs. The over is set at -122 and the under at +100.

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Mariners vs Giants Betting Trends

• The Mariners have been victorious in 44, or 53%, of the 83 contests they have been chosen as favorites in this season.
• Seattle has a record of 12-6 when favored by -158 or more this year.
• The Mariners' games have gone over the total in 46 of their 98 opportunities.
• The Mariners are 35-63-0 against the spread in their 98 games with a line set by sportsbooks this season.
• The Giants have won 22 of the 59 games they were the moneyline underdog this season (37.3%).
• When playing as a moneyline underdog with odds of +134 or longer, San Francisco has a record of 8-4 (66.7%).
• The Giants have had an over/under set by oddsmakers 95 times, and have combined with opponents to go over the total in 44 of those games (44-43-8).
• The Giants have a 43-52-0 record ATS this season (covering 45.3% of the time).

Mariners Player Leaders

• Randy Arozarena leads Seattle in OBP (.377), slugging percentage (.450) and total hits (93) this season. He has a .281 batting average.
• Among all qualified batters in the majors, he ranks 30th in batting average, 16th in on-base percentage, and 60th in slugging.
• Josh Naylor is hitting .251 with 12 doubles, eight home runs and 31 walks. He's slugging .351 with an on-base percentage of .316.
• Among all qualified batters, he is 80th in batting average, 98th in on-base percentage and 129th in slugging percentage.
• Julio Rodriguez has 89 hits this season and has a slash line of .256/.319/.420.
• Cole Young has been key for Seattle with 90 hits, an OBP of .313 plus a slugging percentage of .400.

Giants Player Leaders

• Luis Arraez has put up a .367 on-base percentage and a .454 slugging percentage, both team-best numbers for the Giants. He's batting .327.
• He ranks second in batting average, 29th in on-base percentage and 54th in slugging percentage among all qualifying hitters in the majors.
• Casey Schmitt paces his team with 100 hits. He has a batting average of .279 while slugging .490 with an on-base percentage of .308.
• Including all qualifying hitters, he is 36th in batting average, 112th in on-base percentage and 26th in slugging percentage.
• Jung Hoo Lee is hitting .304 with 21 doubles, three triples, five home runs and 14 walks.
• Rafael Devers is hitting .245 with 25 doubles, a triple, 20 home runs and 38 walks.

Mariners vs Giants Head to Head

• 7/18/2026: 4-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 7/17/2026: 7-0 SF (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -184, Underdog Moneyline: +154)
• 4/6/2025: 5-4 SF (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 4/5/2025: 4-1 SF (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 4/4/2025: 10-9 SF (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 8/25/2024: 4-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/24/2024: 4-3 SF (Favorite: Mariners, Spread: -1.5, Total: 6, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 8/23/2024: 6-5 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 7/5/2023: 2-0 SF (Favorite: Giants, Spread: -1.5, Total: 8.5, Favorite Moneyline: -174, Underdog Moneyline: +146)
• 7/4/2023: 6-0 SEA (Favorite: Giants, Spread: -1.5, Total: 8.5, Favorite Moneyline: -120, Underdog Moneyline: +102)

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