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TSI Ultimate Sports Calendar
Seattle Mariners calendar

Seattle Mariners Future Opponents

When the Seattle Mariners host or visit every opponent. 2027 is the published schedule; the later seasons follow MLB's rotation, where each interleague series switches ballparks every year. The San Diego Padres, their regional rival, are played at home and away every season.

Interleague opponents (switch ballparks each year)

Opponent20272028
projected
2029
projected
2030
projected
Arizona DiamondbacksAwayHomeAwayHome
Atlanta BravesAwayHomeAwayHome
Chicago CubsAwayHomeAwayHome
Cincinnati RedsAwayHomeAwayHome
Colorado RockiesHomeAwayHomeAway
Los Angeles DodgersHomeAwayHomeAway
Miami MarlinsHomeAwayHomeAway
Milwaukee BrewersHomeAwayHomeAway
New York MetsAwayHomeAwayHome
Philadelphia PhilliesAwayHomeAwayHome
Pittsburgh PiratesHomeAwayHomeAway
San Diego PadresRegional rivalHome & AwayHome & AwayHome & AwayHome & Away
San Francisco GiantsAwayHomeAwayHome
St. Louis CardinalsHomeAwayHomeAway
Washington NationalsHomeAwayHomeAway

A 2027 badge opens the Seattle Mariners calendar on that series' month.

Same-league opponents (every season)

Division rivals

13 games each, at home and away.