• The Giants are -110 favorites vs the Diamondbacks
• Giants vs Diamondbacks Over / Under today: 9 Runs
• Giants / Diamondbacks TV Channel: NSBA | DBTV

The San Francisco Giants (-110) visit Chase Field to take on the Arizona Diamondbacks (-110) on June 30, 2026. First pitch is scheduled for 9:40 pm in Phoenix, AZ.

This season, the Giants are 35-49 against the spread (ATS), while the Diamondbacks are 45-37 ATS.

Giants vs Diamondbacks Starting Pitchers Today:

• Giants starting pitcher: Landen Roupp 5-7, 4.10 ERA
• Diamondbacks starting pitcher: Mitch Bratt 0-0, 3.00 ERA

Giants vs. Diamondbacks Odds, Run Line, Over/Under & Moneyline

Giants vs Diamondbacks Prediction for Today’s Game

Based on recent trends the model predicts the Diamondbacks will win Tuesday‘s MLB game with 53.6% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.

Bet now on Giants vs Diamondbacks and all games with BetMGM

We’ve highlighted some favorite MLB player prop bets for Giants players for Tuesday‘s game, looking at profitable historical betting trends:

Best Giants Player Prop Bets Today:

• Matt Chapman has hit the Runs Under in 18 of his last 20 games (+15.15 Units / 44% ROI)
• Jung Hoo Lee has hit the Total Bases Over in 17 of his last 25 games (+13.00 Units / 49% ROI)
• Jung Hoo Lee has hit the Hits Runs and RBIs Over in 19 of his last 25 games (+11.55 Units / 37% ROI)
• Matt Chapman has hit the Hits Under in 10 of his last 15 games (+8.75 Units / 58% ROI)
• Landen Roupp has hit the Strikeouts Over in 14 of his last 20 games (+8.05 Units / 33% ROI)

And here are some favorite MLB player prop bets for Diamondbacks players for Tuesday‘s game, looking at profitable historical betting trends:

Best Diamondbacks Player Prop Best Bets Today:

• Max Kepler has hit the Singles Under in his last 15 games (+15.00 Units / 49% ROI)
• Ketel Marte has hit the Home Runs Over in 4 of his last 5 games (+14.50 Units / 290% ROI)
• Lourdes Gurriel Jr. has hit the Runs Under in 17 of his last 20 games at home (+12.25 Units / 38% ROI)
• Lourdes Gurriel Jr. has hit the Total Bases Under in 19 of his last 25 games at home (+10.80 Units / 28% ROI)
• Ketel Marte has hit the RBIs Over in 14 of his last 25 games at home (+10.50 Units / 42% ROI)

Giants Best Bets Today:

• The San Francisco Giants have hit the Team Total Under in 29 of their last 45 away games (+11.40 Units / 22% ROI)
• The San Francisco Giants have hit the 1st Five Innings (F5) Team Total Under in 15 of their last 20 games (+9.30 Units / 37% ROI)
• The San Francisco Giants have hit the Game Total Under in 13 of their last 20 games (+7.40 Units / 34% ROI)
• The San Francisco Giants have covered the Run Line in 8 of their last 11 away games (+4.30 Units / 26% ROI)
• The San Francisco Giants have hit the Moneyline in 6 of their last 11 away games (+2.45 Units / 21% ROI)

Diamondbacks Best Bets Today:

• The Arizona Diamondbacks have hit the 1st Five Innings (F5) Team Total Under in 36 of their last 50 games (+21.35 Units / 36% ROI)
• The Arizona Diamondbacks have hit the Game Total Under in 33 of their last 50 games (+17.80 Units / 33% ROI)
• The Arizona Diamondbacks have hit the Team Total Under in 15 of their last 24 games (+5.15 Units / 18% ROI)
• The Arizona Diamondbacks have hit the Moneyline in 29 of their last 50 games at home (+5.00 Units / 8% ROI)
• The Arizona Diamondbacks have covered the Run Line in 25 of their last 45 games at home (+4.85 Units / 9% ROI)

Giants Against the Spread (ATS) Record

Against the spread this season, the Giants are 38-45 against the Run Line (-19.6 Units / -16.67% ROI).

• 35-49 when betting on the Moneyline for -12.05 Units / -13.02% ROI
• 37-40 when betting on the total runs Over for -7.15 Units / -7.7% ROI
• 40-37 when betting on the total runs Under for -0.6 Units / -0.65% ROI

Diamondbacks Against the Spread (ATS) Record

Against the spread this season, the Diamondbacks are 45-37 against the Run Line (+0.9 Units / 0.8% ROI).

• 42-42 when betting on the Moneyline for -2.05 Units / -2.06% ROI
• 34-45 when betting on the total runs Over for -15.35 Units / -16.55% ROI
• 45-34 when betting on the total runs Under for +8 Units / 8.68% ROI

Diamondbacks vs Giants Home Run Prop Bets Today

Diamondbacks vs Giants Total Hits Prop Bets Today

Diamondbacks vs Giants Strikeout Prop Bets Today

Giants Keys to the Game vs. the Diamondbacks

The Giants are just 1-36 (.027) when trailing entering the 7th inning this season — lowest in MLB; League Avg: .141.

The Giants are just 26-8 (.765) when leading entering the 7th inning this season — 3rd lowest in MLB; League Avg: .859.

The Giants are just 10-44 (.185) when scoring 4 or fewer runs this season — 3rd lowest in MLB; League Avg: .278.

The Giants are just 35-49 (.417) this season — 4th lowest in MLB; League Avg: .500.

Diamondbacks Keys to the Game vs. the Giants

The Diamondbacks are 36-0 (1.000) when leading entering the 9th inning this season — tied for best in MLB; League Avg: .943.

The Diamondbacks are 21-8 (.724) vs bottom 10 scoring offenses this season Today, they face the Giants (24th in runs scored).

The Diamondbacks are just 89-23 (.795) when leading entering the 7th inning since the 2025 season — 2nd lowest in MLB; League Avg: .870.

The Diamondbacks are just 100-16 (.862) when leading entering the 8th inning since the 2025 season — 3rd lowest in MLB; League Avg: .905.

Giants Hitting Stats & Trends

The Giants are batting .265 on the road this season — 2nd best in MLB.

Giants hitters have struck out in just 20% of their PA’s against RHP this season — 3rd best in MLB.

31% of Giants hitters strikeouts have come on 95+ MPH fastballs this season — 2nd highest in MLB.

Giants hitters have drawn walks in 6% of their PA’s against RHP this season — lowest in MLB.

Diamondbacks Hitting Stats & Trends

Diamondbacks hitters have struck out in just 16% of their PA’s against LHP this season — best in MLB.

9% of Diamondbacks’ hitters plate appearances have lasted only one pitch (282/3,119 PA’s) this season — lowest in MLB.

Diamondbacks hitters are slugging .443 against LHP this season — best in MLB.

Diamondbacks hitters have put 42% of their swings in play against LHP this season — highest in MLB.

Giants Pitching Stats & Trends

Giants pitchers have a strikeout rate of just 18% in late innings this season — lowest in MLB.

Giants pitchers have thrown at least two strikes in their first three pitches to 58% of opposing batters this season — lowest in MLB.

Giants pitchers have a strikeout rate of just 18% in close and late situations this season — tied for lowest in MLB.

Giants pitchers have a strikeout rate of just 20% with runners in scoring position this season — 5th lowest in MLB.

Diamondbacks Pitching Stats & Trends

Diamondbacks pitchers have a strikeout rate of just 18% this season — 2nd lowest in MLB.

Diamondbacks pitchers have struck out just 17% of left-handed batters they faced this season — lowest in MLB.

Diamondbacks pitchers have walked 7% of batters when facing the leadoff batter in the inning this season — 4th best in MLB.

Diamondbacks pitchers have a strikeout rate of just 38% with two-strikes this season — 3rd lowest in MLB.

More MLB Reading:

• Home Run Predictions Today
• Best NRFI Bets Today
• Strikeout Props Today
• MLB Starting Pitchers Today

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