Mariners vs Giants Prediction, Odds, Moneyline, Spread & Over/Under for July 17

Odds updated as of 7:12 a.m.

Friday's slate in the MLB includes a matchup between the Seattle Mariners and 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 (48-49) vs. San Francisco Giants (41-55)
• Date: Friday, July 17, 2026
• Time: 10:10 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: (-156) | SF: (+132)
• Spread: SEA: -1.5 (+150) | SF: +1.5 (-182)
• Total: 7 -- Over: (-110) | Under: (-110)

Mariners vs Giants Probable Starting Pitchers

Probable Pitchers: Bryce Miller (Mariners) - 4-3, 2.18 ERA vs Landen Roupp (Giants) - 6-8, 4.27 ERA

The Mariners will give the nod to Bryce Miller (4-3, 2.18 ERA), who is eyeing win No. 5 on the season, and the Giants will turn to Landen Roupp (6-8, 4.27 ERA). Miller and his team are 1-7-0 ATS this season when he starts. Miller's team has a record of 3-5 this season when he starts and they are the favorite on the moneyline. The Giants have gone 6-12-0 ATS in Roupp's 18 starts with a set spread. The Giants are 5-7 in Roupp's 12 starts this season that they were the moneyline underdog.

Mariners vs Giants Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Giants win (54.6%)

Mariners vs Giants Moneyline

• San Francisco is a +132 underdog on the moneyline, while Seattle is a -156 favorite at home.

Mariners vs Giants Spread

• The Mariners are favored by 1.5 runs at home versus the Giants. The Mariners are +150 to cover the spread, while the Giants are -182.

Mariners vs Giants Over/Under

• A total of 7 runs has been set for the Mariners-Giants contest on July 17, with the over available at -110 and the under at -110.

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

Mariners vs Giants Betting Trends

• The Mariners have been favorites in 81 games this season and have come away with the win 43 times (53.1%) in those contests.
• Seattle has a record of 11-6 when favored by -156 or more this year.
• Contests with the Mariners have gone over the total set by oddsmakers in 46 of 96 chances this season.
• The Mariners have an against the spread mark of 35-61-0 in 96 games with a line this season.
• The Giants have won 36.8% of the games this season they were the moneyline underdog (21-36).
• San Francisco has a 7-5 record (winning 58.3% of its games) when playing as a moneyline underdog of +132 or longer.
• The Giants have played in 93 games with a set over/under, and have combined with opponents to go over the total 44 times (44-43-6).
• The Giants have gone 41-52-0 against the spread this season.

Mariners Player Leaders

• Randy Arozarena leads Seattle with 93 hits and an OBP of .380, plus a team-best slugging percentage of .458. He's batting .286.
• He ranks 25th in batting average, 16th in on-base percentage, and 57th in slugging among all qualifying hitters in baseball.
• Arozarena has recorded a base hit in four straight games. During his last five outings he is batting .222 with two home runs, four walks and four RBIs.
• Josh Naylor has 12 doubles, eight home runs and 30 walks. He's batting .252 and slugging .354 with an on-base percentage of .317.
• Among qualifying hitters, he ranks 82nd in batting average, 99th in on-base percentage and 130th in slugging percentage.
• Naylor brings an eight-game streak with at least one hit into this matchup. In his last 10 games he is hitting .211 with a double, three walks and two RBIs.
• Cole Young has 88 hits this season and has a slash line of .253/.313/.394.
• Young brings a three-game hitting streak into this game. In his last five games he is hitting .167 with a double, a home run, a walk and an RBI.
• Dominic Canzone has been key for Seattle with 60 hits, an OBP of .335 plus a slugging percentage of .529.

Giants Player Leaders

• Luis Arraez has a .369 on-base percentage and a .460 slugging percentage, both team-high averages for the Giants. He's batting .330.
• Including all qualified hitters in the big leagues, he ranks second in batting average, 26th in on-base percentage and 55th in slugging percentage.
• Casey Schmitt has collected 98 hits to pace his team. He has a batting average of .280 while slugging .497 with an on-base percentage of .308.
• Including all qualified hitters, he ranks 33rd in batting average, 113th in on-base percentage and 21st in slugging percentage.
• Jung Hoo Lee is batting .302 with 21 doubles, three triples, five home runs and 14 walks.
• Rafael Devers is hitting .249 with 25 doubles, a triple, 19 home runs and 38 walks.

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