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

Odds updated as of 12:12 p.m.

The Sunday schedule in MLB includes a matchup between the San Francisco Giants and the Baltimore Orioles.

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 call on Justin Verlander (2-10) against the Orioles and Tomoyuki Sugano (10-6). Verlander's team is 6-17-0 against the spread in his starts this season. Verlander's team is 3-9 this season when he starts and they are the moneyline favorite. When Sugano starts, the Orioles are 15-10-0 against the spread. The Orioles have a 10-5 record in Sugano's 15 starts this season when they were the underdog on the moneyline.

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

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

Giants vs Orioles Spread

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

Giants vs Orioles Over/Under

• A combined run total of 8.5 has been set for Giants-Orioles on Aug. 31, with the over at -112 and the under at -108.

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

Giants vs Orioles Betting Trends

• The Giants have been favorites in 80 games this season and have come away with the win 41 times (51.2%) in those contests.
• This season San Francisco has been victorious 28 times in 50 chances when named as a favorite of at least -138 on the moneyline.
• Contests with the Giants have gone over the total set by sportsbooks in 63 of 135 chances this season.
• In 135 games with a line this season, the Giants have a mark of 60-75-0 against the spread.
• The Orioles have a 32-41 record in games they were listed as the moneyline underdog (winning 43.8% of those games).
• When 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 played in 133 games with an over/under set, and have combined with their opponents to go over the total 58 times (58-71-4).
• The Orioles have covered 47.4% of their games this season, going 63-70-0 ATS.

Giants Player Leaders

• Rafael Devers has 131 hits and an OBP of .379, both of which are tops among San Francisco hitters this season. He has a .258 batting average and a slugging percentage of .475.
• Among all qualified hitters in the majors, his batting average ranks 78th, his on-base percentage ranks 10th, and he is 38th in slugging.
• Jung Hoo Lee is batting .259 with 30 doubles, 10 triples, seven home runs and 42 walks, while slugging .405 with an on-base percentage of .322.
• Among qualified batters, his batting average ranks 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 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 put up 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 qualifying hitters in the majors, he ranks 30th in batting average, 42nd in on-base percentage and 54th in slugging percentage.
• 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.
• Including all qualified hitters, he is 108th in batting average, 114th in on-base percentage and 127th in slugging percentage.
• Ryan Mountcastle is batting .260 with 17 doubles, five home runs and 11 walks.
• Colton Cowser is hitting .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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