Giants vs Orioles Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 31

Odds updated as of 11:12 a.m.

The San Francisco Giants will face the Baltimore Orioles in MLB action on Sunday.

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

Giants vs Orioles Game Info

• San Francisco Giants (67-69) vs. Baltimore Orioles (61-75)
• Date: Sunday, August 31, 2025
• Time: 4:05 p.m. ET
• Venue: Oracle Park -- San Francisco, California
• Coverage: NBCS-BA and MASN2

Giants vs Orioles Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SF: (-138) | BAL: (+118)
• Spread: SF: -1.5 (+150) | BAL: +1.5 (-182)
• Total: 8.5 -- Over: (-112) | Under: (-108)

Giants vs Orioles Probable Starting Pitchers

Probable Pitchers: Justin Verlander (Giants) - 2-10, 4.47 ERA vs Tomoyuki Sugano (Orioles) - 10-6, 4.06 ERA

The Giants will give the ball to Justin Verlander (2-10, 4.47 ERA), who is eyeing win No. 3 on the season, and the Orioles will turn to Tomoyuki Sugano (10-6, 4.06 ERA). Verlander's team is 6-17-0 against the spread this season in his starts. Verlander's team is 3-9 this season when he starts and they are the moneyline favorite. The Orioles are 15-10-0 ATS in Sugano's 25 starts that had a set spread. The Orioles are 10-5 in Sugano's 15 starts this season that they were the moneyline underdog.

Giants vs Orioles Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Giants win (59.2%)

Giants vs Orioles Moneyline

• The Giants vs Orioles moneyline has San Francisco as a -138 favorite, while Baltimore is a +118 underdog on the road.

Giants vs Orioles Spread

• The Orioles are at the Giants, and are +1.5 on the runline. The Orioles are +150 to cover the spread, and the Giants are -182.

Giants vs Orioles Over/Under

• An over/under of 8.5 has been set for Giants-Orioles on Aug. 31, with the over being -112 and the under -108.

Bet on San Francisco Giants vs. Baltimore Orioles on FanDuel today!

Giants vs Orioles Betting Trends

• The Giants have won in 41, or 51.2%, of the 80 contests they have been named as odds-on favorites in this year.
• San Francisco has a record of 28-22 when favored by -138 or more this year.
• The Giants and their opponents have hit the over in 63 of their 135 games with a total set by oddsmakers this season.
• The Giants have an against the spread record of 60-75-0 in 135 games with a line this season.
• The Orioles have put together a 32-41 record in games they were the underdog on the moneyline (winning 43.8% of those games).
• In games it has played as a moneyline underdog with odds of +118 or longer, Baltimore has a 12-19 record (winning only 38.7% of its games).
• The Orioles have had an over/under set by bookmakers 133 times, and have combined with opponents to go over the total in 58 of those games (58-71-4).
• The Orioles have a 63-70-0 record ATS this season (covering 47.4% of the time).

Giants Player Leaders

• Rafael Devers has 131 hits and an OBP of .379, both of which rank first among San Francisco hitters this season. He has a .258 batting average and a slugging percentage of .475.
• Among qualifying batters in baseball, his batting average ranks 78th, his on-base percentage ranks 10th, and he is 38th in slugging.
• Jung Hoo Lee has 30 doubles, 10 triples, seven home runs and 42 walks. He's batting .259 and slugging .405 with an on-base percentage of .322.
• His batting average is 75th among qualified players, his on-base percentage 92nd, and his slugging percentage 102nd.
• Willy Adames has 115 hits this season and has a slash line of .230/.317/.423.
• Adames heads into this matchup with three games in a row with at least one hit. In his last five games he is hitting .333 with three home runs, a walk and six RBIs.
• Heliot Ramos has an OPS of .745, fueled by an OBP of .338 and a team-best slugging percentage of .407 this season.

Orioles Player Leaders

• Gunnar Henderson has an on-base percentage of .348, a slugging percentage of .460, and has 135 hits, all club-bests for the Orioles (while batting .278).
• Including all the qualified hitters in the majors, his batting average is 30th, his on-base percentage ranks 42nd, and he is 54th in slugging.
• Jackson Holliday is hitting .245 with 18 doubles, three triples, 15 home runs and 41 walks. He's slugging .382 with an on-base percentage of .309.
• He ranks 108th in batting average, 114th in on-base percentage and 127th in slugging percentage in MLB.
• Ryan Mountcastle is batting .260 with 17 doubles, five home runs and 11 walks.
• Colton Cowser is batting .215 with 12 doubles, 12 home runs and 17 walks.

Giants vs Orioles Head to Head

• 8/30/2025: 11-1 BAL (Favorite: Orioles, Spread: -1.5, Total: 8, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 8/29/2025: 15-8 SF (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 9/19/2024: 5-3 BAL (Favorite: Orioles, Spread: -1.5, Total: 7.5, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 9/18/2024: 5-3 SF (Favorite: Orioles, Spread: -1.5, Total: 8, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 9/17/2024: 10-0 SF (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 6/4/2023: 8-3 BAL (Favorite: Giants, Spread: -1.5, Total: 8, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 6/3/2023: 4-0 SF (Favorite: Giants, Spread: -1.5, Total: 8, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 6/2/2023: 3-2 BAL (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -162, Underdog Moneyline: +136)

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