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

Odds updated as of 3:11 p.m.

Sunday's slate in the MLB includes a matchup between the San Francisco Giants and the Baltimore Orioles.

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

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: (-152) | BAL: (+128)
• Spread: SF: -1.5 (+136) | BAL: +1.5 (-164)
• Total: 8.5 -- Over: (-120) | Under: (-102)

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

• Baltimore is the underdog, +128 on the moneyline, while San Francisco is a -152 favorite at home.

Giants vs Orioles Spread

• The Orioles are +1.5 on the run line against the Giants. The Orioles are -164 to cover, and the Giants are +136.

Giants vs Orioles Over/Under

• Giants versus Orioles on Aug. 31 has an over/under of 8.5 runs, with the odds on the over -120 and the under set at -102.

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

Giants vs Orioles Betting Trends

• The Giants have come away with 41 wins in the 80 contests they have been listed as the favorites in this season.
• San Francisco has a record of 18-18 when favored by -152 or more this year.
• 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 with a line set by sportsbooks this season.
• The Orioles have been the underdog on the moneyline 73 total times this season. They've finished 32-41 in those games.
• When playing as a moneyline underdog with odds of +128 or longer, Baltimore has a 6-15 record (winning just 28.6% of its games).
• The Orioles have had an over/under set by oddsmakers 133 times, and have combined with opponents to go over the total in 58 of those games (58-71-4).
• The Orioles have put together a 63-70-0 record against the spread this season.

Giants Player Leaders

• Rafael Devers leads San Francisco with 131 hits and an OBP of .379 this season. He has a .258 batting average and a slugging percentage of .475.
• Among all qualified hitters in MLB, he is 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. He's slugging .405 with an on-base percentage of .322.
• Among qualifiers, he is 75th in batting average, 92nd in on-base percentage and 102nd in slugging percentage.
• Willy Adames is batting .230 with a .423 slugging percentage and 71 RBI this year.
• Adames has logged a hit or more in three straight games. During his last five outings 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 accumulated 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 is 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 is currently 108th in batting average, 114th in on-base percentage and 127th in slugging percentage among all qualified batters.
• Ryan Mountcastle is hitting .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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