Mariners vs Guardians Prediction, Odds, Moneyline, Spread & Over/Under for June 13

Odds updated as of 9:12 p.m.

The Friday slate in MLB includes a matchup between the Seattle Mariners and the Cleveland Guardians.

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

Mariners vs Guardians Game Info

• Seattle Mariners (33-34) vs. Cleveland Guardians (35-32)
• Date: Friday, June 13, 2025
• Time: 10:10 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: 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: (-112) | CLE: (-104)
• Spread: SEA: +1.5 (-205) | CLE: -1.5 (+168)
• Total: 7.5 -- Over: (-100) | Under: (-122)

Mariners vs Guardians Probable Starting Pitchers

Probable Pitchers: Luis Castillo (Mariners) - 4-4, 3.31 ERA vs Gavin Williams (Guardians) - 5-3, 3.86 ERA

The Mariners will look to Luis Castillo (4-4) versus the Guardians and Gavin Williams (5-3). Castillo and his team have a record of 5-8-0 against the spread when he starts. Castillo's team has been victorious in 45.5% of the games he's started as the moneyline favorite with a record of 5-6. When Williams starts, the Guardians have gone 7-6-0 against the spread. The Guardians are 4-4 in Williams' eight starts this season that they were the moneyline underdog.

Mariners vs Guardians Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (58.2%)

Mariners vs Guardians Moneyline

• Seattle is the favorite, -112 on the moneyline, while Cleveland is a -104 underdog on the road.

Mariners vs Guardians Spread

• The Guardians are 1.5-run favorites against the spread for this matchup with the Mariners. The Guardians are +168 to cover, while the Mariners are -205 to cover as a 1.5-run underdog on the runline.

Mariners vs Guardians Over/Under

• The Mariners-Guardians contest on June 13 has been given an over/under of 7.5 runs. The over is set at -100 and the under at -122.

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Mariners vs Guardians Betting Trends

• The Mariners have been victorious in 20, or 48.8%, of the 41 contests they have been chosen as favorites in this season.
• Seattle has a record of 20-20 in contests when bookmakers favor them by -112 or more on the moneyline.
• The Mariners and their opponents have gone over in 35 of their 66 games with a total set by sportsbooks this season.
• The Mariners are 28-38-0 against the spread in their 66 games with a line set by sportsbooks this season.
• The Guardians have been the moneyline underdog 41 total times this season. They've finished 19-22 in those games.
• Cleveland has a record of 17-21 when it has played as a moneyline underdog with odds of -104 or longer (44.7%).
• The Guardians have played in 65 games with a set over/under, and have combined with opponents to go over the total 30 times (30-33-2).
• The Guardians have collected a 32-33-0 record against the spread this season.

Mariners Player Leaders

• Cal Raleigh has 65 hits, which is tops among Seattle hitters this season, while batting .265 with 37 extra-base hits. He has an on-base percentage of .372 and a slugging percentage of .629.
• Among all qualifying batters, he ranks 61st in batting average, his on-base percentage ranks 25th, and he is second in slugging.
• Raleigh hopes to build on a two-game hitting streak in this matchup. In his last five games he is hitting .238 with two home runs, two walks and four RBIs.
• Julio Rodriguez leads Seattle in slugging percentage (.424) thanks to 21 extra-base hits. He's batting .262 with an on-base percentage of .324.
• Among all qualifying hitters, he ranks 69th in batting average, 92nd in on-base percentage and 86th in slugging percentage.
• Rodriguez has picked up at least one hit in three straight games. In his last five games he is batting .429 with two doubles and an RBI.
• J.P. Crawford leads Seattle in OBP (.396) this season, fueled by 64 hits.
• Jorge Polanco is batting .262 with a .310 OBP and 32 RBI for Seattle this season.
• Polanco heads into this matchup on a seven-game hitting streak. In his last 10 games he is batting .263 with a double, two walks and two RBIs.

Guardians Player Leaders

• Jose Ramirez has accumulated 81 hits with a .391 on-base percentage and a .547 slugging percentage, all club-highs for the Guardians. He's batting .331.
• Including all qualifying hitters, he ranks fourth in batting average, while his on-base percentage ranks 10th and he is ninth in slugging.
• Ramirez enters this game on an 11-game hitting streak. In his last 10 outings he is batting .368 with two doubles, two home runs, four walks and five RBIs.
• Steven Kwan is hitting .305 with 14 doubles, five home runs and 23 walks. He's slugging .422 with an on-base percentage of .368.
• He is currently 13th in batting average, 27th in on-base percentage and 88th in slugging percentage among all qualified batters.
• Carlos Santana is hitting .251 with six doubles, eight home runs and 32 walks.
• Kyle Manzardo is batting .210 with seven doubles, two triples, 11 home runs and 23 walks.

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