Cleveland Guardians vs Seattle Mariners Picks and Prediction for Thursday, March 26, 2026

By: Jake Allman Published 03/26/2026, 12:35 AM ET

Opening Day brings an interesting matchup at T-Mobile Park as Cleveland travels west to face Seattle. Expectations are very different for both teams, and on opening day, Seattle is slightly favored at home. Bettors looking for early-season value can check out free MLB picks while evaluating this pitching-heavy matchup. Elevate your MLB game with our top-notch MLB picks.

The game is on Thursday, March 26, at 10:10 PM ET in Seattle, Washington. T-Mobile Park is known for low-scoring games, and with cool temperatures around 51 degrees expected, that trend could hold. Coverage will be available on MLB.TV.

Guardians Preview

Cleveland closed spring play strong, winning three of the last five games, including dominant wins over Arizona and Cincinnati. The Guardians finished last season 88-74 and leaned heavily on pitching, posting a 3.70 team ERA. Offensively, Cleveland still revolves around José Ramírez, while Steven Kwan provides contact at the top of the lineup. Injuries are worth noting early, with multiple bullpen arms unavailable, which could impact late innings.

Mariners Preview

Seattle comes in with high expectations after a powerful 2025 season. The Mariners hit 238 home runs last year and feature a dangerous core led by Cal Raleigh and Julio Rodríguez. Raleigh’s power remains the centerpiece after a 60-homer season, while Rodríguez continues to provide speed and pop. Seattle’s bullpen is anchored by Andrés Muñoz, who converted 38 saves last year, giving the team a clear late-game advantage.

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The pitching matchup is the main focus here. Tanner Bibee gets the ball for Cleveland, representing the organization’s strong track record of developing arms. Cleveland consistently limits walks and generates weak contact, which keeps games under control. Logan Gilbert starts for Seattle and recorded 173 strikeouts in limited innings last season. Gilbert’s ability to make hitters miss gives Seattle the edge, especially at home.

Guardians vs Mariners Pick

Seattle is currently priced at -160 on the moneyline, with Cleveland sitting at +144. The total is set at 6.5 runs, reflecting the strength of both starting pitchers and the ballpark. Early movement has leaned toward Seattle, which aligns with public confidence in the Mariners’ lineup and bullpen.

For this matchup, the best angle is backing the home side in a low-scoring game. Gilbert has the higher strikeout rate, and Seattle’s bullpen is more reliable entering Opening Day. Cleveland’s offense remains inconsistent, and that is a concern against a strong Seattle pitching staff. Seattle takes control late and opens the season with a 4-2 win.

Picks For Cleveland Guardians vs Seattle Mariners

Mariners ML (-160)

Under 6.5 runs

Mariners -1.5 (+128)