Guardians vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 13

Odds updated as of 4:17 a.m.

The MLB's Wednesday slate includes the Cleveland Guardians taking on the Miami Marlins.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important info about this matchup.

Guardians vs Marlins Game Info

• Cleveland Guardians (62-56) vs. Miami Marlins (57-62)
• Date: Wednesday, August 13, 2025
• Time: 6:40 p.m. ET
• Venue: Progressive Field -- Cleveland, Ohio
• Coverage: CLEG and FDSFL

Guardians vs Marlins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: CLE: (-126) | MIA: (+108)
• Spread: CLE: -1.5 (+164) | MIA: +1.5 (-200)
• Total: 7.5 -- Over: (-124) | Under: (+102)

Guardians vs Marlins Probable Starting Pitchers

Probable Pitchers: Gavin Williams (Guardians) - 7-4, 3.17 ERA vs Eury Pérez (Marlins) - 4-3, 3.25 ERA

This contest's pitching matchup is set, as the Guardians will send Gavin Williams (7-4) to the mound, while Eury Perez (4-3) will answer the bell for the Marlins. When Williams starts, his team is 10-13-0 against the spread this season. Williams' team is 6-3 this season when he starts and they are the moneyline favorite. The Marlins have a 6-3-0 record against the spread in Pérez's starts. The Marlins have a 4-2 record in Pérez's six starts this season when they were the underdog on the moneyline.

Guardians vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Marlins win (52.6%)

Guardians vs Marlins Moneyline

• The moneyline numbers for Guardians vs. Marlins reveal Cleveland as the favorite (-126) and Miami as the underdog (+108) on the road.

Guardians vs Marlins Spread

• The Marlins are +1.5 on the spread (-200 to cover), and Cleveland is +164 to cover the runline.

Guardians vs Marlins Over/Under

• The Guardians-Marlins contest on Aug. 13 has been given an over/under of 7.5 runs. The over is set at -124 and the under at +102.

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Guardians vs Marlins Betting Trends

• The Guardians have come away with 32 wins in the 49 contests they have been listed as the favorites in this season.
• This season Cleveland has come away with a win 22 times in 30 chances when named as a favorite of at least -126 on the moneyline.
• The Guardians and their opponents have hit the over in 52 of their 115 games with a total set by oddsmakers this season.
• The Guardians are 60-55-0 against the spread in their 115 games with a line set by sportsbooks this season.
• The Marlins have compiled a 46-50 record in games they were listed as the moneyline underdog (winning 47.9% of those games).
• Miami has gone 35-41 in games it has played as a moneyline underdog with odds of +108 or longer (46.1%).
• The Marlins have played in 115 games with an over/under set, and have combined with their opponents to go over the total 53 times (53-62-0).
• The Marlins have covered 59.1% of their games this season, going 68-47-0 ATS.

Guardians Player Leaders

• Jose Ramirez leads Cleveland with 128 hits and an OBP of .368, plus a team-best slugging percentage of .528. He's batting .294.
• Among all qualified hitters in baseball, his batting average ranks 12th, his on-base percentage ranks 17th, and he is 10th in slugging.
• Steven Kwan is batting .275 with 21 doubles, a triple, nine home runs and 41 walks. He's slugging .387 with an on-base percentage of .336.
• Among qualified hitters, his batting average places him 40th, his on-base percentage 63rd, and his slugging percentage 128th.
• Carlos Santana is batting .227 with a .338 slugging percentage and 51 RBI this year.
• Kyle Manzardo has been key for Cleveland with 80 hits, an OBP of .323 plus a slugging percentage of .491.
• Manzardo has safely hit in five games in a row. In his last five games he is hitting .438 with a double, three home runs, three walks and five RBIs.

Marlins Player Leaders

• Kyle Stowers has put up a team-best OBP (.362), and paces the Marlins in hits (110). He's batting .284 and slugging.
• Including all qualifying hitters in MLB, he ranks 23rd in batting average, 24th in on-base percentage and ninth in slugging percentage.
• Xavier Edwards is slugging .366 to pace his team. He has a batting average of .302 with an on-base percentage of .361.
• He is currently sixth in batting average, 25th in on-base percentage and 139th in slugging percentage among all qualified hitters.
• Otto Lopez is batting .242 with 15 doubles, 11 home runs and 38 walks.
• Agustin Ramirez has 24 doubles, a triple, 17 home runs and 24 walks while batting .236.

Guardians vs Marlins Head to Head

• 8/12/2025: 4-3 CLE (Favorite: Guardians, Spread: -1.5, Total: 8.5, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 6/9/2024: 6-3 CLE (Favorite: Guardians, Spread: -1.5, Total: 8.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 6/8/2024: 8-0 CLE (Favorite: Guardians, Spread: -1.5, Total: 8, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 6/7/2024: 3-2 MIA (Favorite: Guardians, Spread: -1.5, Total: 7.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 4/23/2023: 7-4 CLE (Favorite: Guardians, Spread: -1.5, Total: 7.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 4/22/2023: 3-2 MIA (Favorite: Guardians, Spread: -1.5, Total: 7.5, Favorite Moneyline: -134, Underdog Moneyline: +116)

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