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

Odds updated as of 5:13 a.m.

The MLB schedule on Sunday includes the Seattle Mariners facing the San Francisco Giants.

Here's what you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

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

This contest's pitching matchup is set, as the Mariners will send Logan Gilbert (7-6) to the mound, while Robbie Ray (8-6) will get the nod for the Giants. Gilbert and his team are 8-11-0 ATS this season when he starts. Gilbert's team has been victorious in 68.8% of the games he's started as the moneyline favorite with a record of 11-5. The Giants have a 9-7-0 record against the spread in Ray's starts. The Giants have a 3-5 record in Ray's eight starts this season when they were the underdog on the moneyline.

Mariners vs Giants Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (59.8%)

Mariners vs Giants Moneyline

• San Francisco is the underdog, +134 on the moneyline, while Seattle is a -158 favorite at home.

Mariners vs Giants Spread

• The Giants are at +1.5 on the runline against the Mariners. The Giants are -172 to cover the spread, and the Mariners are +142.

Mariners vs Giants Over/Under

• The over/under for the Mariners versus Giants contest on July 19 has been set at 7, with -122 odds on the over and +100 odds on the under.

Bet on Seattle Mariners vs. San Francisco Giants on FanDuel today!

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.
• This year Seattle has won 12 of 18 games when listed as at least -158 on the moneyline.
• Contests with the Mariners have gone over the total set by oddsmakers in 46 of 98 chances this season.
• The Mariners have posted a record of 35-63-0 against the spread this season.
• The Giants have won 37.3% of the games this season they were the underdog on the moneyline (22-37).
• San Francisco is 8-4 (winning 66.7% of its games) when it has played as a moneyline underdog of +134 or longer.
• The Giants have combined with opponents to go over the total 44 times this season for a 44-43-8 record against the over/under.
• The Giants have collected a 43-52-0 record against the spread this season (covering 45.3% of the time).

Mariners Player Leaders

• Randy Arozarena leads Seattle with 93 hits and an OBP of .377, plus a team-best slugging percentage of .450. He's batting .281.
• He is 31st in batting average, 16th in on-base percentage, and 60th in slugging among all qualifying batters in the majors.
• Josh Naylor has 12 doubles, eight home runs and 31 walks. He's batting .251 and slugging .351 with an on-base percentage of .316.
• Among qualified hitters, his batting average places him 80th, his on-base percentage 99th, and his slugging percentage 129th.
• Julio Rodriguez has collected 89 base hits, an OBP of .319 and a slugging percentage of .420 this season.
• Cole Young has 12 home runs, 46 RBI and a batting average of .254 this season.

Giants Player Leaders

• Luis Arraez has put up a .367 on-base percentage and a .454 slugging percentage, both team-high numbers for the Giants. He's batting .327.
• Including all the qualifying players in MLB, his batting average puts him second, his on-base percentage is 29th, and he is 55th in slugging.
• 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.
• He is 36th in batting average, 112th in on-base percentage and 26th in slugging percentage in the big leagues.
• Jung Hoo Lee has 21 doubles, three triples, five home runs and 14 walks while batting .304.
• Rafael Devers is batting .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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