Mariners vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for April 26

Odds updated as of 9:11 p.m.

The Seattle Mariners versus the Miami Marlins is on the MLB schedule for Saturday.

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

Mariners vs Marlins Game Info

• Seattle Mariners (14-12) vs. Miami Marlins (12-13)
• Date: Saturday, April 26, 2025
• Time: 9:40 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: ROOT Sports NW and FDSFL

Mariners vs Marlins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-220) | MIA: (+184)
• Spread: SEA: -1.5 (-102) | MIA: +1.5 (-118)
• Total: 7.5 -- Over: (-120) | Under: (-102)

Mariners vs Marlins Probable Starting Pitchers

Probable Pitchers: Luis Miguel Castillo (Mariners) - 2-2, 4.44 ERA vs Connor Gillispie (Marlins) - 0-2, 6.75 ERA

The Mariners will give the ball to Luis Miguel Castillo (2-2, 4.44 ERA), who is eyeing win No. 3 on the season, and the Marlins will counter with Connor Gillispie (0-2, 6.75 ERA). Castillo and his team have a record of 2-3-0 against the spread when he starts. Castillo's team is 1-3 this season when he starts and they are the moneyline favorite. The Marlins have gone 3-2-0 against the spread when Gillispie starts. The Marlins have been the underdog on the moneyline in five of Gillispie's starts this season, and they went 1-4 in those games.

Mariners vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (66.1%)

Mariners vs Marlins Moneyline

• The Mariners vs Marlins moneyline has Seattle as a -220 favorite, while Miami is a +184 underdog on the road.

Mariners vs Marlins Spread

• The Mariners are hosting the Marlins and are favored by 1.5 runs on the spread. The Mariners are -102 to cover the runline, with the Marlins being -118.

Mariners vs Marlins Over/Under

• A combined run total of 7.5 has been set for Mariners-Marlins on April 26, with the over at -120 and the under at -102.

Bet on Seattle Mariners vs. Miami Marlins on FanDuel today!

Mariners vs Marlins Betting Trends

• The Mariners have come away with eight wins in the 15 contests they have been listed as the favorites in this season.
• Seattle has played as a favorite of -220 or more just one time this year and came away with a loss in that game.
• The Mariners and their opponents have hit the over in 13 of their 26 games with a total set by oddsmakers this season.
• The Mariners are 13-13-0 against the spread in their 26 games with a line set by sportsbooks this season.
• The Marlins have been the moneyline underdog 23 total times this season. They've gone 10-13 in those games.
• Miami is 3-3 (winning 50% of its games) when it has played as a moneyline underdog of +184 or longer.
• The Marlins have played in 25 games with a set over/under, and have combined with their opponents to go over the total 16 times (16-9-0).
• The Marlins have gone 14-11-0 against the spread this season.

Mariners Player Leaders

• Cal Raleigh has 23 hits to go with a slugging percentage of .534, both of which are best among Seattle hitters this season. He has a .223 batting average and an on-base percentage of .322.
• He is 109th in batting average, 83rd in on-base percentage, and 21st in slugging among all qualifying hitters in the majors.
• Randy Arozarena is batting .200 with six doubles, four home runs and 19 walks, while slugging .400 with an on-base percentage of .363.
• Among qualifying batters, he is 132nd in batting average, 42nd in on-base percentage and 84th in slugging percentage.
• Dylan Moore is batting .286 with a .557 slugging percentage and nine RBI this year.
• Moore has recorded at least one base hit in two games in a row. During his last five outings he is hitting .222 with two home runs, two walks and three RBI.
• Julio Rodriguez is batting .196 with a .311 OBP and 10 RBI for Seattle this season.

Marlins Player Leaders

• Otto Lopez is batting .222 with five doubles, two home runs and nine walks. He's slugging .344 with an on-base percentage of .293.
• Including all qualified hitters, he is 110th in batting average, while his on-base percentage ranks 108th and he is 118th in slugging.
• Xavier Edwards is slugging .317 to lead his team. He has a batting average of .288 with an on-base percentage of .364.
• Including all qualified players, he is 32nd in batting average, 41st in on-base percentage and 133rd in slugging percentage.
• Eric Wagaman paces the Marlins with 21 hits.
• Kyle Stowers paces his team with a .371 on-base percentage.

Mariners vs Marlins Head to Head

• 4/25/2025: 8-4 MIA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -320, Underdog Moneyline: +260)
• 6/23/2024: 6-4 MIA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 6/22/2024: 9-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -168, Underdog Moneyline: +142)
• 6/21/2024: 3-2 MIA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -176, Underdog Moneyline: +148)
• 6/14/2023: 4-1 MIA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -188, Underdog Moneyline: +158)
• 6/13/2023: 9-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 6/12/2023: 8-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 5/1/2022: 7-3 SEA (Favorite: Marlins, Spread: -1.5, Total: 7, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 4/30/2022: 3-1 MIA (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 4/29/2022: 8-6 MIA (Favorite: Marlins, Spread: -1.5, Total: 8, Favorite Moneyline: -112, Underdog Moneyline: -104)

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