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  1. Home
  2. MLB Picks
  3. Cleveland Guardians vs Seattle Mariners
Fri 10:10 PM ET
Cleveland Guardians logo
Cleveland
Guardians2
G. Williams RHP
versus
Seattle Mariners logo
Seattle
Mariners7
L. Castillo RHP
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Seattle Mariners000200

Cleveland Guardians vs Seattle Mariners Betting Picks & Predictions

Game time: June 13, 2025 at 10:10 PM ET

Venue: T-Mobile Park — Seattle, Washington

Article updated Jun 13, 11:46 PM EDT

Published by SportsJaw Editorial Team

The Cleveland Guardians are set to face off against the Seattle Mariners in a three-game series at T-Mobile Park. Cleveland is coming off a win against the Reds to avoid a

Game outlook

The Cleveland Guardians are set to face off against the Seattle Mariners in a three-game series at T-Mobile Park. Cleveland is coming off a win against the Reds to avoid a sweep, but has lost five of their last seven games. Seattle, on the other hand, was swept by the Diamondbacks and has lost eight of their last nine. The Guardians will be missing 9 pitchers and two position players, while the Mariners will be without 5 pitchers and three position players. Gavin Williams will start for Cleveland with a 3.86 ERA, while Luis Castillo will start for Seattle with a 3.31 ERA. The Mariners are the favorites to win, opening at -122. For more in-depth analysis and predictions for the game, be sure to check out our top MLB picks for the Cleveland Guardians vs. Seattle Mariners matchup.

Betting Odds

Moneyline: Guardians -103 | Mariners -108

Spread: Guardians +1.5 (-227) | Mariners -1.5 (+190)

Total: Over/Under 7.5 (-110)

Based on the moneyline, the implied probability that Seattle will win straight-up is 52%.

Cleveland Guardians

The Cleveland Guardians are currently ranked 22nd in both on-base percentage and slugging percentage, with a batting average of .234 placing them 23rd in runs scored. Jose Ramirez leads the team with 12 home runs, while Carlos Santana leads in RBI. The team has a total of 168 extra base hits in 67 games. On the pitching side, Cleveland is ranked 16th in ERA and 19th in batting average against. Luis Ortiz has the most strikeouts, and Tanner Bibee has the lowest ERA for starters. Gavin Williams will be starting on Friday with a record of 5-3 this season. The team is ranked 25th in offense and 16th in defense, with a record of 34-31.

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MLB · Cleveland Guardians at Seattle Mariners

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Seattle Mariners Analysis

The Seattle Mariners currently rank 12th in on-base percentage, 13th in slugging percentage, 15th in runs scored, and 20th in batting average. Cal Raleigh has been a standout player for the Mariners this season, leading in home runs and RBI. Three players have hit 10 home runs for the team. On the mound, Seattle is in the middle of the pack in Quality Starts, ERA, WHIP, and batting average against. Bryan Woo leads in wins and strikeouts. The team will start Luis Castillo in their next game. The Mariners have a power ranking of 28 and are 76-86 overall, with a strong offense but weaker defense. In their recent matchups, Cleveland won 1 out of 2 games against Seattle.

Cleveland Dominates Recent Matchups Against Struggling Seattle Squad

Cleveland has demonstrated superiority against Seattle in recent matchups, triumphing in four out of the last five encounters and emerging victorious in five out of the last six games played on the road against the Mariners. Conversely, Seattle has struggled, facing defeat in eight of its last nine matches and dropping five out of the last six against American League teams. While both starting pitchers have faced challenges in their recent appearances, Cleveland holds an advantage with their bullpen boasting a 3.66 ERA compared to Seattle's 4.02 ERA. Cleveland's Gavin Williams has encountered difficulties in two out of his last three starts, allowing a total of seven runs over 17.1 innings, resulting in two losses for Cleveland. Similarly, Seattle's Luis Castillo has also struggled, permitting nine runs in 17 innings across two of his last three outings, contributing to two losses for Seattle.

SportsJawGame Predictions
Predicted score

Unavailable for this preview

Projected winnerUnavailableConfidencelow
Pick on the Spread

Published pick: Unavailable

Pick on the Total

Published pick: Unavailable

#ClevelandGuardians#SeattleMariners

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Written by

SportsJaw Editorial Team

SportsJaw published this archived preview from its original game-day article. Its prediction and quoted lines are preserved as written.

About our editorial process

SportsJaw Guardians vs Mariners archived game preview contains historical odds and availability that may no longer be current. View history of past Guardians vs Mariners matchups or learn how our predictions work.

Current matchup data

Lines, trends and availability

Line movement since open

  • Moneyline · Cleveland Guardians+109 → -103Moved
  • Moneyline · Seattle Mariners-122 → -109Moved
  • Spread · Cleveland Guardians+1.5 (-198) → +1.5 (-227)Moved
  • Spread · Seattle Mariners-1.5 (+167) → -1.5 (+190)Moved
  • Total · Over7 (-110) → 7.5 (-110)Moved
  • Total · Under7 (-110) → 7.5 (-110)Moved

ATS and O/U trends

Cleveland Guardians
85-77 matchup record · 5-4-1 ATS · 3-7-0 O/U
Last 10 completed games on file
Seattle Mariners
76-86 matchup record · 0-9-1 ATS · 3-6-1 O/U
Last 10 completed games on file

Injuries and availability

From the published research (2025-06-14T03:46:19.203Z). Availability may have changed; review the cited sources.

No verified injury or availability note was included in the published matchup research.

Recent head-to-head

No completed head-to-head result is available in the current history window.

Final result

Matchup pick recap

Seattle Mariners defeated Cleveland Guardians 7-2

Seattle Mariners defeated Cleveland Guardians 7-2 on June 13, 2025, a 5-run decision in the series. Seattle Mariners' strongest period was the 7th inning, when it outscored its opponent 4-0. Against SportsJaw's recorded Cleveland Guardians +1.5 (-227) spread, Seattle Mariners covered, while the 9 combined runs finished over the recorded total of 7.5.

SportsJaw editorial picks

  • Projected winnerNo published selectionUnavailable

Tipster picks

  • EXCELent Sports PicksMoneyline · Cleveland Guardians -102Loss