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

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MLB betting odds, predictions and betting odds for today's games
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BetMGM Betting @BETMGM May 12, 2023, 3:33 PM
  • The Giants are -120 favorites vs the Diamondbacks
  • Giants starting pitcher: Thomas Stripling
  • Diamondbacks starting pitcher: Ryne Nelson
  • Watch the game on BSAZ

The San Francisco Giants (-120) visit Chase Field to take on the Arizona Diamondbacks (+100) on Friday, May 12, 2023. First pitch is scheduled for 9:40pm EDT in Phoenix.

The Giants are the betting favorite in this game, with the run line sitting at -1.5 (+135).

The Giants vs Diamondbacks Over/Under is 10 total runs for the game.

This season, the Giants are 17-20 against the spread (ATS), while the Diamondbacks are 20-18 ATS.

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

SpreadOver / UnderMoneyline
Giants-1.5 +135O 10 -110-120
Diamondbacks +1.5 -160U 10 -110+100

Giants vs Diamondbacks Prediction for Today’s Game

Based on recent trends the model predicts the Diamondbacks will win Friday‘s MLB matchup with 59.8% confidence.

This prediction factors in starting pitchers, recent team and player hitting performances, the last 5 games for both the Giants and Diamondbacks and up-to-date player injuries.


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

Best Giants Player Prop Bets Today:

  • Michael Conforto has hit the Total Bases Under in 13 of his last 18 games (+9.85 Units / 44% ROI)
  • Thairo Estrada has hit the Singles Over in 19 of his last 25 games (+9.85 Units / 25% ROI)
  • Michael Conforto has hit the Hits Under in 12 of his last 18 games (+9.10 Units / 48% ROI)
  • J.D. Davis has hit the Singles Over in 9 of his last 11 away games (+8.50 Units / 73% ROI)
  • Mitch Haniger has hit the Runs Under in his last 8 games (+8.00 Units / 56% ROI)

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

Best Diamondbacks Player Prop Best Bets Today:

  • Josh Rojas has hit the Hits Under in his last 7 games at home (+9.95 Units / 87% ROI)
  • Corbin Carroll has hit the RBIs Under in 11 of his last 12 games at home (+8.85 Units / 31% ROI)
  • Alek Thomas has hit the Hits Under in 12 of his last 19 games (+8.15 Units / 39% ROI)
  • Christian Walker has hit the Runs Over in 14 of his last 21 games (+8.15 Units / 36% ROI)
  • Josh Rojas has hit the Total Bases Under in his last 8 games at home (+8.00 Units / 57% ROI)

Diamondbacks vs Giants Home Run Prop Bets Today

Over Under
Josh Rojas 0.5 +750 0.5 -3000
Christian Walker 0.5 +425 0.5 -800
Pavin Smith 0.5 +575 0.5 -1400
Corbin Carroll 0.5 +500 0.5 -1100
J.D. Davis 0.5 +325 0.5 -550

Diamondbacks vs Giants Total Hits Prop Bets Today

Over Under
Josh Rojas 0.5 -275 0.5 +200
Christian Walker 0.5 -250 0.5 +190
Pavin Smith 0.5 -190 0.5 +145
Corbin Carroll 0.5 -275 0.5 +195
LaMonte Wade Jr 0.5 -225 0.5 +170

Diamondbacks vs Giants RBI Prop Bets Today

Over Under
Josh Rojas 0.5 +210 0.5 -300
Christian Walker 0.5 +120 0.5 -160
Pavin Smith 0.5 +180 0.5 -250
Corbin Carroll 0.5 +140 0.5 -190
J.D. Davis 0.5 +140 0.5 -185

Diamondbacks vs Giants Strikeout Prop Bets Today

Over Under
Ryne Nelson 4.5 +120 4.5 -155
  • The San Francisco Giants have covered the 1st Five Innings (F5) Run Line in 18 of their last 27 games (+7.45 Units / 22% ROI)
  • The San Francisco Giants have hit the Game Total Under in 14 of their last 23 games (+5.50 Units / 22% ROI)
  • The San Francisco Giants have hit the 1st Five Innings (F5) Moneyline in 10 of their last 18 games (+4.75 Units / 20% ROI)
  • The San Francisco Giants have covered the Run Line in 11 of their last 18 games (+4.40 Units / 19% ROI)
  • The San Francisco Giants have hit the Team Total Over in 16 of their last 27 games (+4.00 Units / 13% ROI)
  • The Arizona Diamondbacks have hit the 1st Five Innings (F5) Moneyline in 15 of their last 30 games (+5.95 Units / 16% ROI)
  • The Arizona Diamondbacks have hit the Moneyline in 20 of their last 37 games (+4.95 Units / 11% ROI)
  • The Arizona Diamondbacks have covered the 1st Five Innings (F5) Run Line in 18 of their last 30 games (+4.40 Units / 12% ROI)
  • The Arizona Diamondbacks have hit the Team Total Under in 7 of their last 10 games at home (+4.00 Units / 35% ROI)
  • The Arizona Diamondbacks have hit the Game Total Under in 7 of their last 10 games at home (+3.65 Units / 33% ROI)

Giants Against the Spread (ATS) Record

Against the spread this MLB season, the Giants have gone 18-19 against the Run Line (-3.5 Units / -7.04% ROI).

  • 17-20 when betting on the Moneyline for -7 Units / -15.05% ROI
  • 17-19 when betting on the total runs Over for -4 Units / -9.71% ROI
  • 19-17 when betting on the total runs Under for +0.65 Units / 1.61% ROI

Diamondbacks Against the Spread (ATS) Record

Against the spread this MLB season, the Diamondbacks have gone 20-18 against the Run Line (+1 Units / 2.09% ROI).

  • 20-18 when betting on the Moneyline for +3.95 Units / 8.66% ROI
  • 19-17 when betting on the total runs Over for +0.35 Units / 0.83% ROI
  • 17-19 when betting on the total runs Under for -3.75 Units / -8.98% ROI

John Brebbia has a strikeout rate of just 19% (23 SO in 123 PAs) on low non-fastballs since last season — 6th lowest among qualified RPs in MLB; League Avg: 37% — fourth Percentile.

Opponents have a groundball rate of just 29% (9/31) against John Brebbia this season — 10th lowest among qualified RPs in MLB; League Avg: 45% — fourth Percentile.

John Brebbia has a first-pitch strike rate of 68% (236/345) since last season — 4th highest among qualified RPs in MLB; League Avg: 61% — 96th Percentile.

John Brebbia has a strikeout rate of 40% (29 SO in 72 PAs) in PAs ending on elevated fastballs since last season — tied for 10th best among qualified RPs in MLB; League Avg: 27% — 92nd Percentile.

Diamondbacks Starting Pitcher Stats & Trends

Ryne Nelson has not walked any of the 83 batters that he has faced against right-handed batters this season — best in MLB among starting pitchers with at least 14 total IP; League Avg: 7% — 100th Percentile.

Opponents are hitting .364 (12-for-33) against Ryne Nelson’s elevated fastball this season — tied for 3rd highest in MLB among starting pitchers with at least 14 total IP; League Avg: .237 — fourth Percentile.

Ryne Nelson has a strikeout rate of just 27% (22 SO in 81 PAs) with two-strikes this season — 3rd lowest in MLB among starting pitchers with at least 14 total IP; League Avg: 42% — second Percentile.

Opponents are hitting .304 (21-for-69) against Ryne Nelson when ahead in the count this season — 4th highest in MLB among starting pitchers with at least 14 total IP; League Avg: .199 — third Percentile.

Giants Keys to the Game vs. the Diamondbacks

The Giants are just 2-17 (.105) when allowing 5 or more runs this season — 5th lowest in MLB; League Avg: .202.

The Giants are just 14-3 (.824) when leading entering the 8th inning this season — tied for 4th lowest in MLB; League Avg: .893.

The Giants are just 15-32 (.319) when moneyline underdogs of less than +150 since last season — 3rd lowest in MLB; League Avg: .422.

The Giants are just 5-5 (.500) when they’ve had 10 or more hits this season — tied for 2nd lowest in MLB; League Avg: .730.

Diamondbacks Keys to the Game vs. the Giants

The Diamondbacks are just 19-10 (.655) when they’ve had 5 or more XBH since last season — lowest in MLB; League Avg: .802.

The Diamondbacks are just 82-7 (.921) when leading entering the 9th inning since last season — 3rd lowest in MLB; League Avg: .954.

The Diamondbacks are just 74-13 (.851) when leading entering the 8th inning since last season — 3rd lowest in MLB; League Avg: .911.

The Diamondbacks are just 33-27 (.550) when they’ve hit 2 or more home runs since last season — 3rd lowest in MLB; League Avg: .703.

Giants hitters have 602 strikeouts in 2,383 PA’s (25%) against LHP since last season — 3rd highest in MLB; League Avg: 22%.

Giants hitters have 123 strikeouts in 451 PA’s (27%) against LHP this season — 4th highest in MLB; League Avg: 22%.

Giants hitters are slugging .631 on the first pitch of at-bats since last season — 2nd best in MLB; League Avg: .565.

Giants hitters are slugging just .361 against LHP this season — 4th lowest in MLB; League Avg: .417.

Diamondbacks hitters have just 177 strikeouts in 935 PA’s (19%) against RHP this season — best in MLB; League Avg: 23%.

Diamondbacks hitters have an OBP of just .298 (2,186 PA’s) against LHP since last season — 4th lowest in MLB; League Avg: .317.

The Diamondbacks are batting .205 with two-strikes this season — 2nd best in MLB; League Avg: .170.

Diamondbacks hitters are slugging just .374 against LHP since last season — 5th lowest in MLB; League Avg: .402.

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

Opponents have a groundball rate of 51% against Giants pitchers this season — highest in MLB; League Avg: 44%.

Opponents have a groundball rate of 48% against Giants pitchers since the 2021 season — highest in MLB; League Avg: 43%.

Opponents had a groundball rate of 48% against Giants pitchers in 2022 — highest in MLB; League Avg: 43%.

Diamondbacks pitchers have a strikeout rate of just 19% in close and late situations since last season — lowest in MLB; League Avg: 25%.

Opponents have a groundball rate of just 41% against Diamondbacks pitchers since last season — 3rd lowest in MLB; League Avg: 43%.

Diamondbacks pitchers have a strikeout rate of just 20% in late innings since last season — lowest in MLB; League Avg: 24%.

Diamondbacks pitchers have walked 14 of 258 batters (5%) over the past seven days (7 games) — tied for 2nd best in MLB; League Avg: 9%.

Diamondbacks vs. Giants Injuries Tonight That May Affect Prop Bets 

  • Zachary Davies (Diamondbacks): Oblique, D15
  • Kyle Lewis (Diamondbacks): Illness, D10
  • Mark Melancon (Diamondbacks): Shoulder, D60
  • Cole Sulser (Diamondbacks): Shoulder, D60
  • Corbin Martin (Diamondbacks): Lat, D60
  • Carson Kelly (Diamondbacks): Forearm, D10
  • Austin Slater (Giants): Hamstring, D10
  • Robert Wood (Giants): Hamstring, D15
  • Roberto Pérez (Giants): Shoulder, D60
  • Darin Ruf (Giants): Wrist, D10
  • Luke Jackson (Giants): Elbow, D60
  • Luis González (Giants): Back, D60
  • Brandon Crawford (Giants): Calf, D10
  • Thomas Szapucki (Giants): Left Arm, D60
  • Michael Yastrzemski (Giants): Hamstring, D10

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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.