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

Odds updated as of 10:12 a.m.

The San Francisco Giants are among the MLB teams in action on Sunday, up against the Baltimore Orioles.

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

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 probable starters are Justin Verlander (2-10) for the Giants and Tomoyuki Sugano (10-6) for the Orioles. 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 have gone 15-10-0 ATS in Sugano's 25 starts with a set spread. The Orioles have a 10-5 record in Sugano's 15 starts this season when 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

• Baltimore is the underdog, +118 on the moneyline, while San Francisco is a -138 favorite at home.

Giants vs Orioles Spread

• The Giants are 1.5-run home favorites on the runline against the Orioles. The Giants are +150 to cover, and the Orioles 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 been victorious in 41, or 51.2%, of the 80 contests they have been chosen as favorites in this season.
• San Francisco has a record of 28-22 in contests when oddsmakers favor them by -138 or more on the moneyline.
• The Giants and their opponents have gone over in 63 of their 135 games with a total set by sportsbooks this season.
• The Giants are 60-75-0 against the spread in their 135 games that had a posted line this season.
• The Orioles have won 43.8% of the games this season they were the moneyline underdog (32-41).
• In games it has played as a moneyline underdog with odds of +118 or longer, Baltimore has gone 12-19 (38.7%).
• The Orioles have combined with opponents to hit the over on the total 58 times this season for a 58-71-4 record against the over/under.
• The Orioles have a 63-70-0 record against the spread this season.

Giants Player Leaders

• Rafael Devers leads San Francisco in OBP (.379) and total hits (131) this season. He's batting .258 batting average while slugging .475.
• Among qualifying hitters in MLB, he ranks 78th in batting average, 10th in on-base percentage, and 38th in slugging.
• Jung Hoo Lee is hitting .259 with 30 doubles, 10 triples, seven home runs and 42 walks, while slugging .405 with an on-base percentage of .322.
• Among qualified hitters, his batting average places him 75th, his on-base percentage 92nd, and his slugging percentage 102nd.
• Willy Adames has collected 115 base hits, an OBP of .317 and a slugging percentage of .423 this season.
• Adames has recorded at least one base hit in three games in a row. In his last five games he is batting .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 a team-best OBP (.348) and slugging percentage (.460), while leading the Orioles in hits (135, while batting .278).
• Including all the qualified hitters in MLB, he is 30th in batting average, 42nd in on-base percentage and 54th in slugging percentage.
• Jackson Holliday is batting .245 with 18 doubles, three triples, 15 home runs and 41 walks. He's slugging .382 with an on-base percentage of .309.
• He is currently 108th in batting average, 114th in on-base percentage and 127th in slugging percentage among all qualified hitters.
• Ryan Mountcastle has 17 doubles, five home runs and 11 walks while batting .260.
• 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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