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

Odds updated as of 3:11 p.m.

The Seattle Mariners will face the Cleveland Guardians in MLB action on Sunday.

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

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: (-124) | CLE: (+106)
• Spread: SEA: -1.5 (+158) | CLE: +1.5 (-192)
• Total: 8 -- Over: (-110) | Under: (-110)

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 Mariners will call on Emerson Hancock (2-2) against the Guardians and Luis Ortiz (3-7). 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 have gone 5-8-0 against the spread. The Guardians have a 3-4 record in Ortiz's seven starts this season when 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 Mariners-Guardians, Seattle is the favorite at -124, and Cleveland is +106 playing on the road.

Mariners vs Guardians Spread

• The Guardians are at +1.5 on the runline against the Mariners. The Guardians are -192 to cover the spread, and the Mariners are +158.

Mariners vs Guardians Over/Under

• Mariners versus Guardians on June 15 has an over/under of 8 runs, with the odds on the over -110 and the under set at -110.

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Mariners vs Guardians Betting Trends

• The Mariners have come away with 22 wins in the 43 contests they have been listed as the favorites in this season.
• Seattle has a record of 18-15 in contests when bookmakers favor them by -124 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 have an against the spread record of 29-39-0 in 68 games with a line this season.
• The Guardians have won 44.2% of the games this season they were the underdog on the moneyline (19-24).
• Cleveland has a 9-17 record (winning only 34.6% of its games) when playing as a moneyline underdog of +106 or longer.
• The Guardians have combined with opponents to hit the over on the total 31 times this season for a 31-33-3 record against the over/under.
• The Guardians have a 33-34-0 record against the spread this season (covering 49.3% of the time).

Mariners Player Leaders

• Cal Raleigh leads Seattle with 66 hits, batting .263 this season with 38 extra-base hits. He has an on-base percentage of .376 and a slugging percentage of .622.
• Among qualifying batters in baseball, his batting average ranks 68th, his on-base percentage ranks 21st, and he is third in slugging.
• Julio Rodriguez has hit 10 homers this season while driving in 34 runs. He's batting .263 this season and slugging .423 with an on-base percentage of .324.
• Among qualifiers, he ranks 68th in batting average, 88th in on-base percentage and 85th in slugging percentage.
• Rodriguez has picked up at least one hit in five straight games. During his last five outings he is batting .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 takes a two-game hitting streak into this game. During his last five outings 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 heads into this game on a nine-game hitting streak. During his last 10 outings he is hitting .316 with two doubles, a home run, three walks and five RBIs.

Guardians Player Leaders

• Jose Ramirez has accumulated a team-best OBP (.391) and slugging percentage (.552), and leads the Guardians in hits (83, while 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 hitting .302 with 14 doubles, six home runs and 23 walks. He's slugging .426 with an on-base percentage of .364.
• Including all qualified hitters, he is 14th in batting average, 31st in on-base percentage and 81st in slugging percentage.
• Carlos Santana is batting .251 with six doubles, eight home runs and 32 walks.
• Kyle Manzardo is batting .207 with eight doubles, two triples, 11 home runs and 23 walks.

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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