Phillies vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 18

Odds updated as of 6:12 p.m.

The Philadelphia Phillies are among the MLB squads in action on Tuesday, versus the Miami Marlins.

We've got you covered, in terms of the most important information regarding this matchup before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Phillies vs Marlins Game Info

• Philadelphia Phillies (68-58) vs. Miami Marlins (64-62)
• Date: Tuesday, August 18, 2026
• Time: 6:40 p.m. ET
• Venue: Citizens Bank Park -- Philadelphia, Pennsylvania
• Coverage: NBCS-PH and Marlins.TV

Phillies vs Marlins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: PHI: (-210) | MIA: (+194)
• Spread: PHI: -1.5 (+100) | MIA: +1.5 (-120)
• Total: 8.5 -- Over: (+100) | Under: (-122)

Phillies vs Marlins Probable Starting Pitchers

Probable Pitchers: Zack Wheeler (Phillies) - 10-4, 2.89 ERA vs Cade Gibson (Marlins) - 2-0, 5.61 ERA

The probable starters are Zack Wheeler (10-4) for the Phillies and Cade Gibson (2-0) for the Marlins. Wheeler and his team are 10-7-0 ATS this season when he starts. Wheeler's team has a record of 10-2 this season when he starts and they are the favorite on the moneyline. Last season Gibson pitched in one game with a spread, which his team covered. Gibson's team was the underdog on the moneyline only once in a game he pitched a season ago, and won.

Phillies vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Phillies win (55.2%)

Phillies vs Marlins Moneyline

• Philadelphia is the favorite, -210 on the moneyline, while Miami is a +194 underdog on the road.

Phillies vs Marlins Spread

• The Phillies are 1.5-run home favorites on the runline against the Marlins. The Phillies are +100 to cover, and the Marlins are -120.

Phillies vs Marlins Over/Under

• The over/under for the Phillies versus Marlins game on Aug. 18 has been set at 8.5, with +100 odds on the over and -122 odds on the under.

Bet on Philadelphia Phillies vs. Miami Marlins on FanDuel today!

Phillies vs Marlins Betting Trends

• The Phillies have been victorious in 57, or 63.3%, of the 90 contests they have been chosen as favorites in this season.
• This year Philadelphia has won 12 of 14 games when listed as at least -210 on the moneyline.
• The Phillies' games have gone over the total in 56 of their 122 opportunities.
• The Phillies are 48-74-0 against the spread in their 122 games with a line set by sportsbooks this season.
• The Marlins have won 38.8% of the games this season they were the underdog on the moneyline (26-41).
• Miami has a 1-2 record (winning just 33.3% of its games) when playing as a moneyline underdog of +194 or longer.
• The Marlins have played in 124 games with a set over/under, and have combined with their opponents to go over the total 61 times (61-61-2).
• The Marlins have a 65-59-0 record ATS this season (covering 52.4% of the time).

Phillies Player Leaders

• Bryce Harper has 115 hits this season and a team-best OBP of .379. He has a .260 batting average and a slugging percentage of .495.
• He is 64th in batting average, 10th in on-base percentage, and 20th in slugging among all qualified hitters in baseball.
• Harper hopes to build on a five-game hitting streak in this matchup. In his last five games he is batting .444 with a double, six walks and an RBI.
• Luis Arraez leads Philadelphia in slugging percentage (.431) thanks to 39 extra-base hits. He's batting .314 with an on-base percentage of .349.
• Among all qualified hitters, he ranks second in batting average, 47th in on-base percentage and 64th in slugging percentage.
• Arraez has picked up a hit in five straight games. In his last five games he is hitting .318 with two doubles, a walk and four RBIs.
• Kyle Schwarber leads Philadelphia with 110 hits. He is batting .247 this season and 53 of his hits have gone for extra bases.
• Schwarber has recorded a hit in two games in a row. During his last five outings he is hitting .182 with a double, two home runs, a walk and four RBIs.
• Bryson Stott has been key for Philadelphia with 111 hits, an OBP of .343 plus a slugging percentage of .419.
• Stott enters this game on a nine-game hitting streak. In his last 10 games he is hitting .324 with a double, a home run, 10 walks and five RBIs.

Marlins Player Leaders

• Otto Lopez has a slugging percentage of .452, a team-best for the Marlins. He's batting .310 with an on-base percentage of .343.
• Including all the qualifying players in MLB, he is third in batting average, 57th in on-base percentage and 47th in slugging percentage.
• Xavier Edwards' .365 OBP leads his team. He has a batting average of .285 while slugging .386.
• Including all qualifying hitters, he ranks 20th in batting average, 24th in on-base percentage and 110th in slugging percentage.
• Javier Sanoja is hitting .272 with 26 doubles, two triples, five home runs and 19 walks.
• Jakob Marsee is batting .208 with 14 doubles, four triples, seven home runs and 60 walks.

Phillies vs Marlins Head to Head

• 8/17/2026: 6-5 PHI (Favorite: Phillies, Spread: -1.5, Total: 8.5, Favorite Moneyline: -245, Underdog Moneyline: +225)
• 7/29/2026: 8-6 MIA (Favorite: Phillies, Spread: -1.5, Total: 7.5, Favorite Moneyline: -172, Underdog Moneyline: +144)
• 7/28/2026: 1-0 MIA (Favorite: Marlins, Spread: -1.5, Total: 8, Favorite Moneyline: -134, Underdog Moneyline: +116)
• 7/27/2026: 8-7 MIA (Favorite: Phillies, Spread: -1.5, Total: 7.5, Favorite Moneyline: -205, Underdog Moneyline: +172)
• 6/17/2026: 12-4 MIA (Favorite: Phillies, Spread: -1.5, Total: 9.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 6/16/2026: 8-2 PHI (Favorite: Phillies, Spread: -1.5, Total: 8.5, Favorite Moneyline: -178, Underdog Moneyline: +150)
• 6/15/2026: 7-0 PHI (Favorite: Phillies, Spread: -1.5, Total: 8, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 5/4/2026: 1-0 PHI (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 5/3/2026: 7-2 PHI (Favorite: Phillies, Spread: -1.5, Total: 8, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 5/2/2026: 4-0 MIA (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -132, Underdog Moneyline: +112)

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