Marlins vs Phillies Prediction, Odds & Player Prop Bets Today – MLB, Aug 18

FILE - Philadelphia Phillies' Brandon Marsh hits a home run during the eighth inning of Game 3 of a baseball NL Division Series against the Atlanta Braves Wednesday, Oct. 11, 2023, in Philadelphia. Brandon Marsh underwent successful left knee arthroscopic debridement surgery with Dr. Steven Cohen in Philadelphia, Friday morning Feb. 9, 2024. It is anticipated he will return to playing in three to four weeks and be ready to play opening day.(AP Photo/Matt Rourke, File)
(AP Photo/Matt Rourke)
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  • The Phillies are -250 favorites vs the Marlins
  • Marlins vs Phillies Over / Under today: 8 Runs
  • Marlins / Phillies TV Channel: MATV | NSPA

The Miami Marlins (+200) visit Citizens Bank Park to take on the Philadelphia Phillies (-250) on August 18, 2026. First pitch is scheduled for 6:40 pm in Philadelphia, PA.

This season, the Marlins are 64-62 against the spread (ATS), while the Phillies are 49-76 ATS.

Marlins vs Phillies Starting Pitchers Today:

  • Marlins starting pitcher: Cade Gibson 2-0, 5.67 ERA
  • Phillies starting pitcher: Zack Wheeler 10-4, 2.90 ERA

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

SpreadOver / UnderMoneyline
Marlins+1.5 -110O 8 -105+200
Phillies -1.5 -110U 8 -115-250

Marlins vs Phillies Prediction for Today’s Game

Based on recent trends the model predicts the Phillies will win Tuesday‘s MLB game with 68.8% 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 Marlins players for Tuesday‘s game, looking at profitable historical betting trends:

Best Marlins Player Prop Bets Today:

  • Joe Mack has hit the Home Runs Over in 4 of his last 10 away games (+16.10 Units / 161% ROI)
  • Owen Caissie has hit the Singles Under in 17 of his last 20 away games (+11.65 Units / 30% ROI)
  • Xavier Edwards has hit the Total Bases Under in 19 of his last 25 away games (+9.40 Units / 22% ROI)
  • Joe Mack has hit the Hits Runs and RBIs Over in 17 of his last 25 away games (+8.50 Units / 27% ROI)
  • Heriberto Hernandez has hit the Walks Over in 7 of his last 10 away games (+7.85 Units / 79% ROI)

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

Best Phillies Player Prop Best Bets Today:

  • Bryson Stott has hit the Hits Over in 21 of his last 25 games at home (+14.10 Units / 30% ROI)
  • Bryce Harper has hit the Walks Over in 13 of his last 15 games (+12.65 Units / 83% ROI)
  • Brandon Marsh has hit the Total Bases Under in 20 of his last 25 games (+12.20 Units / 29% ROI)
  • Kyle Schwarber has hit the Runs Under in 14 of his last 20 games at home (+10.20 Units / 50% ROI)
  • Bryson Stott has hit the Singles Over in 17 of his last 25 games at home (+9.80 Units / 38% ROI)
  • The Miami Marlins have hit the Game Total Under in 30 of their last 50 games (+7.95 Units / 14% ROI)
  • The Miami Marlins have covered the Run Line in 7 of their last 9 games (+7.50 Units / 69% ROI)
  • The Miami Marlins have hit the 1st Five Innings (F5) Moneyline in 26 of their last 50 games (+7.45 Units / 12% ROI)
  • The Miami Marlins have hit the 1st Five Innings (F5) Team Total Under in 7 of their last 8 away games (+6.05 Units / 59% ROI)
  • The Miami Marlins have hit the Team Total Under in 21 of their last 35 games (+5.35 Units / 13% ROI)
  • The Philadelphia Phillies have hit the Game Total Over in 13 of their last 21 games (+7.45 Units / 32% ROI)
  • The Philadelphia Phillies have covered the 1st Five Innings (F5) Run Line in 12 of their last 18 games (+4.70 Units / 22% ROI)
  • The Philadelphia Phillies have hit the Team Total Over in 13 of their last 21 games (+4.60 Units / 20% ROI)
  • The Philadelphia Phillies have hit the 1st Five Innings (F5) Moneyline in 19 of their last 35 games at home (+3.65 Units / 6% ROI)
  • The Philadelphia Phillies have hit the 1st Five Innings (F5) Team Total Under in 11 of their last 18 games at home (+2.90 Units / 14% ROI)

Marlins Against the Spread (ATS) Record

Against the spread this season, the Marlins are 65-59 against the Run Line (-2.25 Units / -1.34% ROI).

  • 64-62 when betting on the Moneyline for +2.6 Units / 1.77% ROI
  • 62-61 when betting on the total runs Over for -5.35 Units / -3.85% ROI
  • 61-62 when betting on the total runs Under for -7 Units / -5.06% ROI

Phillies Against the Spread (ATS) Record

Against the spread this season, the Phillies are 49-76 against the Run Line (-33.25 Units / -22.47% ROI).

  • 68-58 when betting on the Moneyline for -7.55 Units / -4.01% ROI
  • 56-63 when betting on the total runs Over for -13.15 Units / -9.46% ROI
  • 63-56 when betting on the total runs Under for +1.8 Units / 1.3% ROI

Phillies vs Marlins Home Run Prop Bets Today

Yes
Kyle Schwarber +210
Bryce Harper +350
Griffin Conine +375
Heriberto Hernandez +450
Trea Turner +475

Phillies vs Marlins Total Hits Prop Bets Today

Over Under
Brandon Marsh 0.5 -250 0.5 +165
Alec Bohm 0.5 -235 0.5 +160
Xavier Edwards 0.5 -235 0.5 +155
Bryce Harper 0.5 -225 0.5 +155
Otto Lopez 0.5 -220 0.5 +150

Phillies vs Marlins Strikeout Prop Bets Today

Over Under
Xavier Edwards 0.5 -185 0.5 +125
Bryce Harper 0.5 -160 0.5 +110
Brandon Marsh 0.5 -160 0.5 +110
Otto Lopez 0.5 -155 0.5 +105
Trea Turner 0.5 -155 0.5 +105

Marlins Keys to the Game vs. the Phillies

The Marlins were just 39-14 (.736) when leading entering the 7th inning in the 2024 season — 3rd lowest in MLB; League Avg: .856.

The Marlins were just 45-10 (.818) when leading entering the 8th inning in the 2024 season — 3rd lowest in MLB; League Avg: .899.

The Marlins were just 60-86 (.411) when allowing 5 or more extra base hits in the 2024 season — 2nd lowest in MLB; League Avg: .538.

The Marlins were just 7-42 (.143) when allowing 2 or more home runs in the 2024 season — lowest in MLB; League Avg: .289.

Phillies Keys to the Game vs. the Marlins

The Phillies were 15-45 (.250) when trailing entering the 7th inning in the 2025 season — best in MLB; League Avg: .124.

The Phillies were 83-15 (.847) when they allowed 4 or fewer runs in the 2024 season — best in MLB; League Avg: .723.

The Phillies were 49-11 (.817) when they hit 2 or more home runs in the 2025 season — 3rd best in MLB; League Avg: .699.

The Phillies were 44-9 (.830) when they hit 2 or more home runs in the 2024 season — 4th best in MLB; League Avg: .711.

Marlins hitters have a groundball batting average of .284 this season — best in MLB.

Marlins hitters have put 39% of their swings in play on the first pitch of at-bats this season — 2nd highest in MLB.

The Marlins are batting just .185 in lefty-lefty matchups this season — 2nd lowest in MLB.

The Marlins are batting .250 on the road this season — 4th best in MLB.

Phillies hitters are slugging .730 with the pitcher behind in the count this season — best in MLB.

Phillies hitters have an OPS of 1.239 (881 PA’s) with the pitcher behind in the count this season — best in MLB.

Phillies hitters have an OPS of just .467 (2,538 PA’s) with two-strikes this season — lowest in MLB.

Phillies hitters have an OBP of just .231 (2,538 PA’s) with two-strikes this season — 2nd lowest in MLB.

Marlins pitchers have an ERA of 3.41 (570.2 IP) at home this season — 4th best in MLB.

The Marlins have allowed 3.70 runs per game (233/63) at home this season — 3rd best in MLB.

The Marlins have won just 7% of road games in which their opponents scored first this season — 2nd lowest in MLB.

Marlins pitchers have not picked-off any runners from first base this season — fewest in MLB.

Opponents have a miss rate of 28% against Phillies pitchers this season — best in MLB.

Phillies pitchers have a strikeout rate of 26% this season — 2nd best in MLB.

Phillies pitchers have a strikeout rate of 27% versus hitters not batting 3-4-5 in the order this season — best in MLB.

The Phillies pitchers have allowed their opponents to score first in just 40% of their games at home this season — lowest in MLB.

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.