Marlins vs Giants Prediction, Odds & Player Prop Bets Today – MLB, May 20

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MLB betting odds, predictions and betting odds for today's games
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BetMGM Betting @BETMGM May 20, 2023, 3:33 PM
  • The Giants are -175 favorites vs the Marlins
  • Marlins starting pitcher: Braxton Garrett
  • Giants starting pitcher: Logan Webb
  • Watch the game on NBCS-BA

The Miami Marlins (+145) visit Oracle Park to take on the San Francisco Giants (-175) on Saturday, May 20, 2023. First pitch is scheduled for 4:05pm EDT in San Francisco.

The Giants are the betting favorite in this game, with the run line sitting at -1.5 (+120).

The Marlins vs Giants Over/Under is 7.5 total runs for the game.

This season, the Marlins are 23-22 against the spread (ATS), while the Giants are 21-23 ATS.

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

SpreadOver / UnderMoneyline
Marlins+1.5 -145O 7.5 -110+145
Giants -1.5 +120U 7.5 -110-175

Marlins vs Giants Prediction for Today’s Game

Based on recent trends the model predicts the Giants will win Saturday‘s MLB matchup with 72.4% confidence.

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


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

Best Marlins Player Prop Bets Today:

  • Bryan De La Cruz has hit the Hits Over in his last 14 games (+14.00 Units / 44% ROI)
  • Bryan De La Cruz has hit the Total Bases Over in his last 7 games (+8.75 Units / 107% ROI)
  • Jean Segura has hit the Hits Under in 10 of his last 16 games (+7.80 Units / 37% ROI)
  • Jon Berti has hit the Hits Over in 13 of his last 16 away games (+7.60 Units / 26% ROI)
  • Jon Berti has hit the Total Bases Over in 12 of his last 16 away games (+7.35 Units / 29% ROI)

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

Best Giants Player Prop Best Bets Today:

  • Thairo Estrada has hit the Hits Over in 12 of his last 18 games at home (+9.70 Units / 33% ROI)
  • David Villar has hit the Hits Runs and RBIs Under in 10 of his last 11 games at home (+9.55 Units / 65% ROI)
  • Thairo Estrada has hit the Runs Over in 12 of his last 18 games at home (+8.55 Units / 47% ROI)
  • Casey Schmitt has hit the Hits Over in 8 of his last 9 games (+8.10 Units / 78% ROI)
  • Casey Schmitt has hit the Hits Runs and RBIs Over in 8 of his last 9 games (+8.05 Units / 86% ROI)

Giants vs Marlins Home Run Prop Bets Today

Over Under
Luis Arraez 0.5 +1350 0.5
Jorge Soler 0.5 +550 0.5 -1200
Garrett Hampson 0.5 +1350 0.5
Garrett Cooper 0.5 +800 0.5 -3000
Joey Wendle 0.5 +1200 0.5

Giants vs Marlins Total Hits Prop Bets Today

Over Under
Luis Arraez 1.5 +130 1.5 -175
Jorge Soler 0.5 -210 0.5 +160
Garrett Hampson 0.5 -150 0.5 +115
Garrett Cooper 0.5 -275 0.5 +195
Joey Wendle 0.5 -250 0.5 +185

Giants vs Marlins RBI Prop Bets Today

Over Under
Luis Arraez 0.5 +160 0.5 -210
Jorge Soler 0.5 +170 0.5 -225
Garrett Hampson 0.5 +270 0.5 -375
Garrett Cooper 0.5 +160 0.5 -210
Joey Wendle 0.5 +200 0.5 -275

Giants vs Marlins Strikeout Prop Bets Today

Over Under
Braxton Garrett 4.5 -105 4.5 -125
Logan Webb 5.5 -130 5.5 +100
  • The Miami Marlins have covered the 1st Five Innings (F5) Run Line in 9 of their last 12 games (+5.35 Units / 37% ROI)
  • The Miami Marlins have hit the Team Total Over in 7 of their last 9 games (+5.00 Units / 46% ROI)
  • The Miami Marlins have hit the Game Total Under in 19 of their last 33 games (+4.85 Units / 13% ROI)
  • The Miami Marlins have hit the Moneyline in 19 of their last 34 games (+4.05 Units / 10% ROI)
  • The Miami Marlins have hit the 1st Five Innings (F5) Team Total Under in 8 of their last 12 away games (+3.85 Units / 28% ROI)
  • The San Francisco Giants have covered the 1st Five Innings (F5) Run Line in 23 of their last 34 games (+10.65 Units / 26% ROI)
  • The San Francisco Giants have hit the 1st Five Innings (F5) Moneyline in 14 of their last 25 games (+9.20 Units / 28% ROI)
  • The San Francisco Giants have covered the Run Line in 11 of their last 16 games at home (+7.40 Units / 36% ROI)
  • The San Francisco Giants have hit the Team Total Over in 14 of their last 20 games at home (+7.25 Units / 32% ROI)
  • The San Francisco Giants have hit the Game Total Under in 17 of their last 30 games (+5.30 Units / 16% ROI)

Marlins Against the Spread (ATS) Record

Against the spread this MLB season, the Marlins have gone 17-28 against the Run Line (-17.2 Units / -28.2% ROI).

  • 23-22 when betting on the Moneyline for +0.8 Units / 1.53% ROI
  • 19-24 when betting on the total runs Over for -7.2 Units / -14.57% ROI
  • 24-19 when betting on the total runs Under for +3.1 Units / 6.24% ROI

Giants Against the Spread (ATS) Record

Against the spread this MLB season, the Giants have gone 21-23 against the Run Line (-4.25 Units / -7.25% ROI).

  • 21-23 when betting on the Moneyline for -6.55 Units / -12.01% ROI
  • 20-22 when betting on the total runs Over for -4.25 Units / -8.7% ROI
  • 22-20 when betting on the total runs Under for +0.45 Units / 0.94% ROI

Opponents are hitting .650 (13-for-20) against Braxton Garrett on the first pitch of at-bats this season — 2nd highest in MLB among starting pitchers with at least 16 total IP; League Avg: .357 — first Percentile.

Braxton Garrett has averaged 89.4 MPH on fastballs this season — tied for 3rd lowest in MLB among starting pitchers with at least 16 total IP; League Avg: 93.4 — third Percentile.

Opponents are hitting .461 (35-for-76) against Braxton Garrett in non-two strike counts this season — 5th highest in MLB among starting pitchers with at least 16 total IP; League Avg: .340 — fourth Percentile.

Braxton Garrett has not walked any of the 39 batters that he has faced with runners in scoring position this season — tied for best in MLB among starting pitchers with at least 16 total IP; League Avg: 9% — 100th Percentile.

Giants Starting Pitcher Stats & Trends

Right-handed hitters have a groundball rate of 62% (53/85) against Logan Webb this season — 3rd highest among qualified SPs in MLB; League Avg: 43% — 97th Percentile.

Opponents have a groundball rate of 61% (100/164) against Logan Webb this season — 3rd highest among qualified SPs in MLB; League Avg: 43% — 97th Percentile.

Opponents have a groundball rate of 69% (29/42) against Logan Webb — highest in MLB over the last two weeks; League Avg: 43% — 100th Percentile.

Opponents have a swing rate of just 30% (129/423) against Logan Webb on elevated fastballs since last season — lowest in MLB among starting pitchers with at least 81 total IP; League Avg: 49% — 0 Percentile.

Marlins Keys to the Game vs. the Giants

The Marlins are just 1-19 (.050) when allowing 5 or more runs this season — lowest in MLB; League Avg: .207.

The Marlins are just 10-50 (.167) when allowing 2 or more home runs since last season — 2nd lowest in MLB; League Avg: .299.

The Marlins are just 66-17 (.795) when leading entering the 7th inning since last season — 3rd lowest in MLB; League Avg: .876.

The Marlins are just 13-39 (.250) when their opponents score in the first inning since last season — tied for 2nd lowest in MLB; League Avg: .349.

Giants Keys to the Game vs. the Marlins

The Giants are just 13-7 (.650) when scoring 5 or more runs this season — 3rd lowest in MLB; League Avg: .793.

The Giants are just 2-19 (.095) when allowing 5 or more runs this season — 4th lowest in MLB; League Avg: .207.

The Giants are 19-19 (.500) after a win as underdogs since last season — tied for 2nd best in MLB; League Avg: .407.

The Giants are just 1-3 (.250) after a road win this season — 3rd lowest in MLB; League Avg: .485.

Marlins hitters have an OBP of just .285 (1,646 PA’s) against LHP since last season — lowest in MLB; League Avg: .317.

Marlins hitters have an OPS of just .633 (1,646 PA’s) against LHP since last season — lowest in MLB; League Avg: .721.

Marlins hitters have an OBP of just .289 (3,342 PA’s) against LHP since the 2021 season — lowest in MLB; League Avg: .319.

Marlins hitters have 438 strikeouts in 1,646 PA’s (27%) against LHP since last season — 2nd highest in MLB; League Avg: 22%.

The Giants are batting just .233 when facing the starting pitcher for the 3rd time in a game since last season — 2nd lowest in MLB; League Avg: .265.

The Giants are batting .377 on the first pitch of at-bats since last season — best in MLB; League Avg: .339.

Giants hitters have 284 strikeouts in 1,146 PA’s (25%) against RHP this season — tied for 4th highest in MLB; League Avg: 23%.

The Giants are batting just .149 with two-strikes this season — tied for 2nd lowest in MLB; League Avg: .171.

Marlins pitchers have a strikeout rate of 27% over the last 14 days (12 games) — best in MLB; League Avg: 22%.

The Marlins pitchers have allowed their opponents to score first in 68% of their games at home this season — 2nd highest in MLB; League Avg: 51%.

Opponents have a groundball rate of 51% against Marlins pitchers over the last 14 days (12 games) — tied for highest in MLB; League Avg: 43%.

Marlins pitchers have a strikeout rate of 45% with two-strikes this season — 4th best 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 have a groundball rate of 50% against Giants pitchers this season — highest in MLB; League Avg: 43%.

Giants pitchers have walked 988 of 13,750 batters (7%) since the 2021 season — 2nd best in MLB; League Avg: 8%.

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

Giants vs. Marlins Injuries Tonight That May Affect Prop Bets 

  • Austin Slater (Giants): Hamstring, D10
  • Roberto Pérez (Giants): Shoulder, D60
  • Luke Jackson (Giants): Elbow, D60
  • Anthony DeSclafani (Giants): Toe, Day-to-Day
  • Heliot Ramos (Giants): Oblique, D60
  • Joc Pederson (Giants): Hand, D10
  • Luis González (Giants): Back, D60
  • Thomas Szapucki (Giants): Left Arm, D60
  • Joseph Bart (Giants): Groin, D10
  • Thomas Stripling (Giants): Back, D15
  • Thomas Nance (Marlins): Shoulder, D60
  • Andrew Puk (Marlins): Elbow, D15
  • Jasrado Chisholm Jr. (Marlins): Toe, D10
  • Johnny Cueto (Marlins): Bicep, D15
  • Trevor Rogers (Marlins): Forearm , D15
  • Nicholas Enright (Marlins): Illness, D60
  • Anthony Bender (Marlins): Elbow, D60
  • Jesús Sánchez (Marlins): Hamstring, D10
  • Avisaíl García (Marlins): Back, D10
  • Max Meyer (Marlins): Elbow, D60

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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.