Giants vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for June 30

Odds updated as of 10:11 a.m.

The San Francisco Giants will take on the Arizona Diamondbacks in MLB action on Monday.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important info about this game.

Giants vs Diamondbacks Game Info

• San Francisco Giants (45-39) vs. Arizona Diamondbacks (41-42)
• Date: Monday, June 30, 2025
• Time: 9:40 p.m. ET
• Venue: Chase Field -- Phoenix, Arizona
• Coverage: Fox Sports 1, ARID, and NBCS-BA

Giants vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SF: (-142) | ARI: (+120)
• Spread: SF: -1.5 (+114) | ARI: +1.5 (-137)
• Total: 8 -- Over: (-115) | Under: (-105)

Giants vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Logan Webb (Giants) - 7-5, 2.52 ERA vs Ryne Nelson (Diamondbacks) - 4-2, 3.71 ERA

The Giants will give the nod to Logan Webb (7-5) versus the Diamondbacks and Ryne Nelson (4-2). Webb and his team have a record of 7-10-0 against the spread when he starts. Webb's team has been victorious in 46.7% of the games he's started as the moneyline favorite with a record of 7-8. The Diamondbacks are 6-1-0 against the spread when Nelson starts. The Diamondbacks were the underdog on the moneyline for two Nelson starts this season -- they split the games.

Giants vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Giants win (56%)

Giants vs Diamondbacks Moneyline

• Looking at the moneyline for Diamondbacks-Giants, Arizona is the underdog at +120, and San Francisco is -142 playing on the road.

Giants vs Diamondbacks Spread

• The Giants are 1.5-run road favorites on the runline against the Diamondbacks. The Giants are +114 to cover, and the Diamondbacks are -137.

Giants vs Diamondbacks Over/Under

• The over/under for Giants-Diamondbacks on June 30 is 8. The over is -115, and the under is -105.

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Giants vs Diamondbacks Betting Trends

• The Giants have been favorites in 57 games this season and have come away with the win 31 times (54.4%) in those contests.
• San Francisco has a record of 19-16 in contests when sportsbooks favor them by -142 or more on the moneyline.
• Contests with the Giants have gone over the total set by sportsbooks in 37 of 84 chances this season.
• The Giants have posted a record of 36-48-0 against the spread this season.
• The Diamondbacks have won 11 of the 25 games they were listed as the moneyline underdog this season (44%).
• Arizona is 7-2 (winning 77.8% of its games) when it has played as a moneyline underdog of +120 or longer.
• The Diamondbacks have played in 80 games with a set over/under, and have combined with their opponents to go over the total 42 times (42-34-4).
• The Diamondbacks have gone 37-43-0 ATS this season.

Giants Player Leaders

• Rafael Devers has 84 hits and an OBP of .392, both of which rank first among San Francisco hitters this season. He has a .264 batting average and a slugging percentage of .487.
• Among all qualified hitters in the majors, his batting average ranks 64th, his on-base percentage ranks sixth, and he is 31st in slugging.
• Jung Hoo Lee has 17 doubles, six triples, six home runs and 29 walks. He's batting .243 and slugging .398 with an on-base percentage of .315.
• Among qualified hitters, his batting average ranks him 114th, his on-base percentage 107th, and his slugging percentage 108th.
• Heliot Ramos leads San Francisco in slugging percentage (.459) powered by 30 extra-base hits.
• Wilmer Flores has been key for San Francisco with 69 hits, an OBP of .320 plus a slugging percentage of .389.
• Flores enters this matchup on a two-game hitting streak. During his last five outings he is hitting .118 with a double, three walks and an RBI.

Diamondbacks Player Leaders

• Geraldo Perdomo is batting .262 with 18 doubles, a triple, nine home runs and 47 walks. He's slugging .419 with an on-base percentage of .358.
• He is 67th in batting average, 35th in on-base percentage and 83rd in slugging percentage among all qualifying hitters in the big leagues.
• Josh Naylor leads his team with a .359 OBP, and has a club-best .474 slugging percentage. He has a batting average of .304.
• Including all qualified hitters, he ranks 11th in batting average, 33rd in on-base percentage and 39th in slugging percentage.
• Eugenio Suarez is hitting .257 with 16 doubles, 25 home runs and 21 walks.
• Ketel Marte is hitting .305 with 11 doubles, 17 home runs and 32 walks.

Giants vs Diamondbacks Head to Head

• 5/14/2025: 8-7 ARI (Favorite: Giants, Spread: -1.5, Total: 8, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 5/13/2025: 10-6 SF (Favorite: Diamondbacks, Spread: -1.5, Total: 7.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 5/12/2025: 2-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 9/25/2024: 8-2 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -250, Underdog Moneyline: +205)
• 9/24/2024: 11-0 SF (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 9/23/2024: 6-3 SF (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -184, Underdog Moneyline: +154)
• 9/5/2024: 3-2 SF (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 9/4/2024: 6-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 7.5, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 9/3/2024: 8-7 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 7.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 6/5/2024: 9-3 SF (Favorite: Diamondbacks, Spread: -1.5, Total: 8, Favorite Moneyline: -108, Underdog Moneyline: -108)

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