Mariners vs Guardians Prediction, Odds, Moneyline, Spread & Over/Under for June 15

Odds updated as of 9:11 a.m.

The Seattle Mariners are among the MLB squads playing on Sunday, up against the Cleveland Guardians.

Here's what you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Guardians Game Info

• Seattle Mariners (35-34) vs. Cleveland Guardians (35-34)
• Date: Sunday, June 15, 2025
• Time: 4:10 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: MLB Network, ROOT Sports NW, and CLEG

Mariners vs Guardians Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-110) | CLE: (-106)
• Spread: SEA: +1.5 (-182) | CLE: -1.5 (+150)
• Total: 7.5 -- Over: (-118) | Under: (-104)

Mariners vs Guardians Probable Starting Pitchers

Probable Pitchers: Emerson Hancock (Mariners) - 2-2, 5.04 ERA vs Luis Ortiz (Guardians) - 3-7, 4.26 ERA

The probable starters are Emerson Hancock (2-2) for the Mariners and Luis Ortiz (3-7) for the Guardians. When Hancock starts, his team is 7-4-0 against the spread this season. Hancock's team has won 33.3% of his starts when they are favored on the moneyline (1-2). When Ortiz starts, the Guardians are 5-8-0 against the spread. The Guardians are 3-4 in Ortiz's seven starts this season that they were the underdog on the moneyline.

Mariners vs Guardians Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (55.6%)

Mariners vs Guardians Moneyline

• Looking at the moneyline for Guardians-Mariners, Cleveland is the underdog at -106, and Seattle is -110 playing at home.

Mariners vs Guardians Spread

• The Guardians are 1.5-run favorites against the spread for this matchup with the Mariners. The Guardians are +150 to cover, while the Mariners are -182 to cover as a 1.5-run underdog on the runline.

Mariners vs Guardians Over/Under

• A combined run total of 7.5 has been set for Mariners-Guardians on June 15, with the over at -118 and the under at -104.

Bet on Seattle Mariners vs. Cleveland Guardians on FanDuel today!

Mariners vs Guardians Betting Trends

• The Mariners have been victorious in 22, or 51.2%, of the 43 contests they have been chosen as favorites in this season.
• Seattle has a record of 22-21 in contests when sportsbooks favor them by -110 or more on the moneyline.
• The Mariners and their opponents have hit the over in 36 of their 68 games with a total set by oddsmakers this season.
• The Mariners are 29-39-0 against the spread in their 68 games with a line set by sportsbooks this season.
• The Guardians have put together a 19-24 record in games they were listed as the moneyline underdog (winning 44.2% of those games).
• Cleveland is 18-23 (winning 43.9% of its games) when playing as a moneyline underdog of -106 or longer.
• In the 67 games oddsmakers have set an over/under for the Guardians, they have combined with opponents to go over the total 31 times (31-33-3).
• The Guardians have a 33-34-0 record against the spread this season.

Mariners Player Leaders

• Cal Raleigh has 66 hits, which is best among Seattle hitters this season, while batting .263 with 38 extra-base hits. He has an on-base percentage of .376 and a slugging percentage of .622.
• Among qualifying hitters in baseball, he is 68th in batting average, 21st in on-base percentage, and third in slugging.
• Julio Rodriguez leads Seattle in slugging percentage (.423) thanks to 22 extra-base hits. He's batting .263 with an on-base percentage of .324.
• Among qualifying hitters, his batting average ranks him 68th, his on-base percentage 88th, and his slugging percentage 85th.
• Rodriguez has picked up at least one hit in five straight games. In his last five games he is hitting .417 with three doubles and an RBI.
• J.P. Crawford leads Seattle with an OBP of .410 this season while batting .295 with 45 walks and 29 runs scored.
• Crawford heads into this matchup with two games in a row with at least one hit. In his last five games he is batting .474 with a double, five walks and an RBI.
• Jorge Polanco is batting .267 with a .314 OBP and 35 RBI for Seattle this season.
• Polanco has safely hit in nine straight games. During his last 10 games he is batting .316 with two doubles, a home run, three walks and five RBIs.

Guardians Player Leaders

• Jose Ramirez has racked up 83 hits with a .391 on-base percentage and a .552 slugging percentage, all club-bests for the Guardians. He's batting .329.
• Including all the qualifying hitters in the big leagues, his batting average is fourth, his on-base percentage ranks ninth, and he is eighth in slugging.
• Steven Kwan is batting .302 with 14 doubles, six home runs and 23 walks. He's slugging .426 with an on-base percentage of .364.
• Including all qualifying players, he ranks 14th in batting average, 31st in on-base percentage and 81st in slugging percentage.
• Carlos Santana is hitting .251 with six doubles, eight home runs and 32 walks.
• Kyle Manzardo has eight doubles, two triples, 11 home runs and 23 walks while hitting .207.

Mariners vs Guardians Head to Head

• 6/14/2025: 4-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 6/13/2025: 7-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 6/20/2024: 6-3 CLE (Favorite: Guardians, Spread: -1.5, Total: 8, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 6/19/2024: 8-0 CLE (Favorite: Guardians, Spread: -1.5, Total: 7.5, Favorite Moneyline: -156, Underdog Moneyline: +132)
• 6/18/2024: 8-5 SEA (Favorite: Guardians, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 4/3/2024: 8-0 CLE (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 4/2/2024: 5-2 CLE (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 4/1/2024: 5-4 SEA (Favorite: Guardians, Spread: -1.5, Total: 7.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 4/9/2023: 7-6 CLE (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 4/8/2023: 3-2 SEA (Favorite: Guardians, Spread: -1.5, Total: 8.5, Favorite Moneyline: -136, Underdog Moneyline: +116)

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