Guardians and Mariners Wrap Up Opening Series

The two teams face off in the final game of their 4-game set on Sunday.

Mar. 29, 2026 at 4:04pm

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The Cleveland Guardians and Seattle Mariners will play the fourth and final game of their season-opening series on Sunday, March 29. The Guardians took the first game of the series, getting off to a strong start on the road against their AL West rivals.

Why it matters

This early-season matchup between the Guardians and Mariners, two teams expected to contend in their respective divisions, will provide an early barometer for both squads as they look to get their seasons off on the right foot.

The details

The Guardians and Mariners have split the first two games of their 4-game set, with Cleveland taking the opener and Seattle evening the series in the second game. This will be the final game of the series, which marks the start of the 2026 MLB season for both clubs.

  • The series finale will be played on Sunday, March 29.
  • The Guardians and Mariners opened their 4-game series on Thursday, March 26.

The players

Cleveland Guardians

A Major League Baseball team based in Cleveland, Ohio that competes in the American League Central division.

Seattle Mariners

A Major League Baseball team based in Seattle, Washington that competes in the American League West division.

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What’s next

The Guardians and Mariners will both continue their seasons with series against other opponents after this 4-game set concludes on Sunday.

The takeaway

This early-season matchup between two playoff contenders in the American League will provide an important early-season test for both teams as they look to get off to a strong start and position themselves for a postseason run.