Diamondbacks vs Giants Prediction, Odds & Player Prop Bets Today – MLB, May 12

San Francisco Giants' Wilmer Flores (41) throws to first against the Los Angeles Dodgers during a baseball game in San Francisco, Friday, Sept. 29, 2023. (AP Photo/Jed Jacobsohn)
(AP Photo/Jed Jacobsohn)
  • The Diamondbacks are -110 favorites vs the Giants
  • Diamondbacks vs Giants Over / Under today: 8 Runs
  • Diamondbacks / Giants TV Channel: DBTV | FS1 | NSBA

The Arizona Diamondbacks (-115) visit Oracle Park to take on the San Francisco Giants (-105) on Monday, May 12, 2025. First pitch is scheduled for 9:45pm EDT in San Francisco, CA.

This season, the Diamondbacks are 21-19 against the spread (ATS), while the Giants are 19-21 ATS.

Diamondbacks vs Giants Starting Pitchers Today:

  • Diamondbacks starting pitcher: Merrill Kelly 3-2, 4.09 ERA
  • Giants starting pitcher: Justin Verlander 0-2, 4.47 ERA

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

SpreadOver / UnderMoneyline
Diamondbacks-1.5 +145O 8 -115-115
Giants +1.5 -175U 8 -105-105

Diamondbacks vs Giants Prediction for Today’s Game

Based on recent trends the model predicts the Diamondbacks will win Monday‘s MLB game with 51.0% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


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

Best Diamondbacks Player Prop Bets Today:

  • Pavin Smith has hit the Runs Over in 15 of his last 25 away games (+10.40 Units / 41% ROI)
  • Eugenio Suarez has hit the RBIs Under in 13 of his last 15 away games (+9.70 Units / 32% ROI)
  • Eugenio Suarez has hit the Singles Under in 13 of his last 15 away games (+9.45 Units / 37% ROI)
  • Tim Tawa has hit the Home Runs Over in 2 of his last 6 away games (+8.80 Units / 147% ROI)
  • Eugenio Suarez has hit the Hits Under in 10 of his last 15 away games (+8.45 Units / 51% ROI)

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

Best Giants Player Prop Best Bets Today:

  • Matt Chapman has hit the Singles Under in 13 of his last 15 games at home (+9.95 Units / 42% ROI)
  • Matt Chapman has hit the Hits Runs and RBIs Under in 12 of his last 15 games at home (+9.00 Units / 53% ROI)
  • Matt Chapman has hit the Hits Under in 9 of his last 15 games at home (+7.40 Units / 49% ROI)
  • Matt Chapman has hit the RBIs Under in 12 of his last 15 games at home (+7.15 Units / 27% ROI)
  • Matt Chapman has hit the Home Runs Over in 3 of his last 8 games at home (+7.10 Units / 89% ROI)
  • The Arizona Diamondbacks have hit the 1st Five Innings (F5) Team Total Under in 7 of their last 9 away games (+5.15 Units / 48% ROI)
  • The Arizona Diamondbacks have hit the Team Total Under in 6 of their last 8 away games (+3.80 Units / 40% ROI)
  • The Arizona Diamondbacks have hit the Game Total Under in 4 of their last 5 away games (+3.00 Units / 57% ROI)
  • The Arizona Diamondbacks have hit the Moneyline in 7 of their last 12 away games (+2.85 Units / 21% ROI)
  • The Arizona Diamondbacks have covered the 1st Five Innings (F5) Run Line in 7 of their last 12 away games (+0.85 Units / 6% ROI)
  • The San Francisco Giants have hit the 1st Five Innings (F5) Team Total Under in 10 of their last 14 games at home (+6.00 Units / 37% ROI)
  • The San Francisco Giants have hit the Moneyline in 12 of their last 17 games at home (+3.55 Units / 12% ROI)
  • The San Francisco Giants have hit the Game Total Under in 9 of their last 14 games at home (+3.45 Units / 22% ROI)
  • The San Francisco Giants have hit the Team Total Under in 5 of their last 7 games at home (+3.30 Units / 45% ROI)
  • The San Francisco Giants have hit the 1st Five Innings (F5) Moneyline in 3 of their last 5 games at home (+3.00 Units / 23% ROI)

Diamondbacks Against the Spread (ATS) Record

Against the spread this season, the Diamondbacks are 20-20 against the Run Line (-2.2 Units / -4.27% ROI).

  • 21-19 when betting on the Moneyline for -0.45 Units / -0.91% ROI
  • 18-19 when betting on the total runs Over for -3.15 Units / -7.13% ROI
  • 19-18 when betting on the total runs Under for -0.95 Units / -2.17% ROI

Giants Against the Spread (ATS) Record

Against the spread this season, the Giants are 19-21 against the Run Line (-1.35 Units / -2.62% ROI).

  • 24-16 when betting on the Moneyline for +4.9 Units / 8.76% ROI
  • 22-17 when betting on the total runs Over for +3.45 Units / 7.94% ROI
  • 17-22 when betting on the total runs Under for -7.55 Units / -16.95% ROI

Giants vs Diamondbacks Home Run Prop Bets Today

Over Under
Eugenio Suarez (ARI) 0.5 +360 0.5 -500
Corbin Carroll (ARI) 0.5 +425 0.5 -600
Matt Chapman (SF) 0.5 +425 0.5 -600
Willy Adames (SF) 0.5 +475 0.5 -650
Ketel Marte (ARI) 0.5 +500 0.5 -700

Giants vs Diamondbacks Total Hits Prop Bets Today

Over Under
Jung-hoo Lee (SF) 0.5 -250 0.5 +195
Gabriel Moreno (ARI) 0.5 -250 0.5 +190
Lourdes Gurriel Jr (ARI) 0.5 -250 0.5 +185
Heliot Ramos (SF) 0.5 -235 0.5 +175
Corbin Carroll (ARI) 0.5 -225 0.5 +170

Giants vs Diamondbacks RBI Prop Bets Today

Over Under
Eugenio Suarez (ARI) 0.5 +140 0.5 -190
Matt Chapman (SF) 0.5 +140 0.5 -185
Corbin Carroll (ARI) 0.5 +150 0.5 -200
Ketel Marte (ARI) 0.5 +170 0.5 -225
Jung-hoo Lee (SF) 0.5 +175 0.5 -235

Giants vs Diamondbacks Strikeout Prop Bets Today

Over Under
Justin Verlander (SF) 4.5 -105 4.5 -125
Merrill Kelly (ARI) 4.5 +130 4.5 -175

Merrill Kelly has allowed a slugging percentage of .864 (19 Total Bases / 22 ABs) on low fastballs this season — highest among qualified SPs in MLB; League Avg: .412 — first Percentile.

Merrill Kelly has allowed an OBP of just .153 (72 PA’s) when going through the lineup the second time in a game this season — best among among NL Starters; League Avg: .293 — 100th Percentile.

Merrill Kelly has allowed a slugging percentage of just .188 (13 Total Bases / 69 ABs) when going through the lineup the second time in a game this season — 2nd best among qualified SPs in MLB; League Avg: .375 — 98th Percentile.

Merrill Kelly has allowed an OBP of just .153 (72 PA’s) when going through the lineup the second time in a game this season — best among qualified SPs in MLB; League Avg: .291 — 100th Percentile.

Giants Starting Pitcher Stats & Trends

Opponents had a groundball batting average of .398 (33 GB hits out of 83 GBs) against Justin Verlander in the 2024 season — highest in MLB among starting pitchers with at least 64 total IP; League Avg: .245 — 0 Percentile.

Justin Verlander has allowed an OBP of .486 (37 PA’s) with runners in scoring position this season — highest among qualified SPs in MLB; League Avg: .303 — first Percentile.

Opponents are hitting .400 (12-for-30) against Justin Verlander with runners in scoring position this season — highest among qualified SPs in MLB; League Avg: .236 — first Percentile.

Opponents have a groundball batting average of .487 (19 GB hits out of 39 GBs) against Justin Verlander with runners in scoring position since last season — highest in MLB among starting pitchers with at least 80 total IP; League Avg: .248 — 0 Percentile.

Diamondbacks Keys to the Game vs. the Giants

The Diamondbacks are just 14-5 (.737) when leading entering the 7th inning this season — 2nd lowest in MLB; League Avg: .879.

The Diamondbacks are 151-36 (.803) when allowing 4 or fewer runs since the 2023 season — 2nd best in MLB; League Avg: .726.

The Diamondbacks were 67-15 (.807) when they allowed 4 or fewer runs in the 2024 season — 3rd best in MLB; League Avg: .723.

The Diamondbacks are 85-18 (.817) when allowing 4 or fewer runs since last season — 2nd best in MLB; League Avg: .721.

Giants Keys to the Game vs. the Diamondbacks

The Giants are 3-14 (.176) when trailing entering the 8th inning this season — 2nd best in MLB; League Avg: .081.

The Giants were just 20-24 (.455) vs bottom 10 scoring offenses in the 2024 season They play the Reds (16th best runs scored) today.

The Giants are 7-4 (.636) vs top 10 scoring offenses this season They play the Diamondbacks (first best runs scored) today.

The Giants are 9-3 (.750) when they’ve scored in the first inning this season — tied for 5th best in MLB; League Avg: .607.

Diamondbacks hitters have struck out in just 17% of it’s PA’s against LHP this season — best in MLB; League Avg: 23%.

The Diamondbacks are batting .277 against LHP since last season — best in MLB; League Avg: .244.

Diamondbacks hitters had an OBP of .347 (3,080 PA’s) at home in the 2024 season — best in MLB; League Avg: .315.

Diamondbacks hitters had an OBP of .337 (6,284 PA’s) in the 2024 season — best in MLB; League Avg: .312.

Giants hitters had an OPS of just .683 (1,790 PA’s) against LHP in the 2023 season — 3rd lowest in MLB; League Avg: .742.

Giants hitters had an OPS of just .475 (3,303 PA’s) with two-strikes in 2023 — 2nd lowest in MLB; League Avg: .523.

Giants hitters slugged just .376 against LHP in the 2023 season — 3rd lowest in MLB; League Avg: .419.

Giants hitters had an OBP of just .307 (1,790 PA’s) against LHP in the 2023 season — 5th lowest in MLB; League Avg: .323.

Opponents had a miss rate of just 24% against Diamondbacks pitchers in the 2024 season — tied for 4th lowest in MLB; League Avg: 25%.

Batters facing the Diamondbacks pitchers have struck out in the zone 48% of the time since the 2023 season — tied for 3rd lowest in MLB; League Avg: 49%. since the 2023 season — tied for 3rd lowest in MLB; League Avg: 49%.

The Diamondbacks pitchers allowed an average Exit Velocity of 89.5 MPH in the 2024 season (4,288 balls in play) — highest in MLB; League Avg: 88.8

Diamondbacks pitchers allowed an average Exit Velocity of 89.5 MPH (4,288 batted balls) in the 2024 season — highest in MLB; League Avg: 88.8.

Opponents had a groundball rate of 50% against Giants pitchers in 2023 — highest in MLB; League Avg: 43%.

Opponents have a groundball rate of 49% against Giants pitchers since the 2023 season — highest in MLB; League Avg: 43%.

Opponents have a groundball rate of 49% against Giants pitchers since last season — highest in MLB; League Avg: 43%.

Opponents had a groundball rate of 49% against Giants pitchers in the 2024 season — highest in MLB; League Avg: 43%.

More MLB Reading:


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Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.