San Francisco (45-39) at Arizona (41-42)
- When: Jun 30 2025, 9:40 PM
- Where: Chase Field, Phoenix
- Where to watch: NBCS-BA
Giants vs Diamondbacks – Game Preview & Expert Predictions
Moneyline: San Francisco -133
Total: 8.5
RunLine: San Francisco -1.5 (+125)
San Francisco Giants Breakdown
San Francisco arrives in Arizona hoping to snap out of a funk after an embarrassing 1-5 stretch against the lowly Marlins and White Sox. Despite getting traffic on the bases, the Giants couldn’t buy a clutch hit in Chicago, going just 4-for-22 with runners in scoring position over the series. They’re now on the outside looking in on the Wild Card race.
But if there’s a silver lining, it’s Logan Webb. The Giants’ ace has been nails lately, throwing six straight quality starts and putting up a stellar 2.52 ERA for the season. He’s dominated Arizona in the past, posting a 6-3 record and a 2.31 ERA in 12 career outings. With San Francisco’s offense sputtering, they’ll need Webb to do the heavy lifting again.
Giants Prop Pick: Logan Webb Over 5.5 Strikeouts
He’s averaging over a strikeout per inning and has owned the D-backs historically.
Arizona Diamondbacks Breakdown
The D-backs are coming off a brutal sweep at the hands of the Marlins, where they managed to snatch defeat from the jaws of victory. Arizona’s bullpen continues to be a problem, blowing leads in back-to-back games and pushing their bullpen ERA north of 5.30. Fielding? Ugly. Walks? Plentiful. The vibes? Nonexistent.
Arizona will counter with Ryne Nelson, who’s been quietly solid in June. He’s given up just two earned runs over his last three outings and is proving that maybe, just maybe, he belongs in the rotation long term. He’s also 2-0 with a 3.11 ERA lifetime against the Giants, which adds some optimism for a bounce-back game.
D-backs Prop Pick: Ketel Marte Over 1.5 Total Bases
Marte’s power against Webb hasn’t been overwhelming, but he’s been Arizona’s most reliable bat in high-leverage spots.
Prediction & Betting Outlook
This series opener comes down to which team can stop tripping over their own feet. Arizona’s bullpen is a ticking time bomb, and Logan Webb is in midseason beast mode.
Best Bet: Giants -1.5 (+125)
Toral: Under 8.5 (-115)
Final Score Prediction: Giants 5, D-backs 3
Giants take Game 1 behind Webb’s dominance, while Arizona’s late-inning chaos continues.
- MLB Odds source: Bovada Sportsbook
- Get real-time live scores & latest betting odds here!
