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

Odds updated as of 10:11 p.m.

The Seattle Mariners are among the MLB squads playing on Friday, versus the San Francisco Giants.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's everything you need to know.

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: (-184) | SF: (+154)
• Spread: SEA: -1.5 (+126) | SF: +1.5 (-152)
• Total: 7 -- Over: (-122) | Under: (+100)

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 ball to Bryce Miller (4-3, 2.18 ERA), who is eyeing win No. 5 on the season, and the Giants will counter with Landen Roupp (6-8, 4.27 ERA). Miller's team is 1-7-0 against the spread in his starts this season. Miller's team has been victorious in 37.5% of the games he's started as the moneyline favorite with a record of 3-5. The Giants are 6-12-0 against the spread when Roupp starts. The Giants have been the moneyline underdog in 12 of Roupp's starts this season, and they went 5-7 in those games.

Mariners vs Giants Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (55.2%)

Mariners vs Giants Moneyline

• The moneyline numbers for Mariners vs. Giants reveal Seattle as the favorite (-184) and San Francisco as the underdog (+154) on the road.

Mariners vs Giants Spread

• The Mariners are hosting the Giants and are favored by 1.5 runs on the spread. The Mariners are +126 to cover the runline, with the Giants being -152.

Mariners vs Giants Over/Under

• A combined run total of 7 has been set for Mariners-Giants on July 17, with the over at -122 and the under at +100.

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Mariners vs Giants Betting Trends

• The Mariners have been chosen as favorites in 81 games this year and have walked away with the win 43 times (53.1%) in those games.
• This season Seattle has come away with a win six times in seven chances when named as a favorite of at least -184 on the moneyline.
• The Mariners and their opponents have gone over in 46 of their 96 games with a total set by sportsbooks this season.
• The Mariners have an against the spread record of 35-61-0 in 96 games with a line this season.
• The Giants have compiled a 21-36 record in games they were the underdog on the moneyline (winning 36.8% of those games).
• San Francisco is 3-2 (winning 60% of its games) when it has played as a moneyline underdog of +154 or longer.
• In the 93 games oddsmakers have set an over/under for the Giants, they have combined with opponents to go over the total 44 times (44-43-6).
• The Giants have a 41-52-0 record ATS this season (covering 44.1% of the time).

Mariners Player Leaders

• Randy Arozarena has 93 hits and an OBP of .380 to go with a slugging percentage of .458. All three of those stats are tops among Seattle hitters this season. He has a .286 batting average, as well.
• Among qualifying batters, he is 25th in batting average, his on-base percentage ranks 16th, and he is 57th in slugging.
• Arozarena has picked up at least one hit in four straight games. In his last five games he is hitting .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.
• His batting average is 82nd among qualified players, his on-base percentage 99th, and his slugging percentage 130th.
• Naylor enters this game looking to extend his eight-game hit streak. During his last 10 games he is batting .211 with a double, three walks and two RBIs.
• Cole Young has collected 88 base hits, an OBP of .313 and a slugging percentage of .394 this season.
• Young has logged a hit or more in three games in a row. During his last five outings he is hitting .167 with a double, a home run, a walk and an RBI.
• Dominic Canzone is batting .264 with a .335 OBP and 40 RBI for Seattle this season.

Giants Player Leaders

• Luis Arraez has a .369 on-base percentage and a .460 slugging percentage, both team-best numbers for the Giants. He's batting .330.
• Including all qualified players, he is second in batting average, while his on-base percentage is 26th and he is 55th in slugging.
• Casey Schmitt's 98 hits lead his team. He has a batting average of .280 while slugging .497 with an on-base percentage of .308.
• Including all qualified hitters, his batting average puts him 32nd, his on-base percentage is 113th, and he is 21st in slugging.
• Jung Hoo Lee has 21 doubles, three triples, five home runs and 14 walks while hitting .302.
• Rafael Devers is hitting .249 with 25 doubles, a triple, 19 home runs and 38 walks.

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