Mariners Set 2026 Schedule: Opener vs. Guardians, Finale vs. Angels
The Mariners have released their 2026 schedule, opening at home against Cleveland on March 26 and wrapping up the regular season against the Angels on September 27.
The Mariners have their 2026 schedule in hand, and it starts and ends with a familiar rhythm: a home opener at T-Mobile Park and a late-September finish against an AL West rival. Seattle opens the season on Thursday, March 26 against the Cleveland Guardians, then plays the Ohio club three more times in a row before turning to the rest of the slate. The regular season wraps on Thursday, September 27 against the Los Angeles Angels, capping a four-game set against Los Angeles.
Team officials rolled out the schedule update on social media on Tuesday, August 26, teasing what fans can expect to see at T-Mobile Park next year. The Mariners' Instagram post pointed to Opening Day, a run of interleague matchups, and a home doubleheader as some of the season's notable features.
Full details on every date, opponent and start time for 2026 are posted on the Mariners' official schedule page. Based on what has been shared so far, here is what's locked in:
- March 26: Cleveland Guardians, T-Mobile Park (Opening Day, first of four straight games)
- September 27: Los Angeles Angels (regular season finale, final game of a four-day series)
Opening the year against Cleveland with four games in a row gives Seattle an early stretch to find its footing before the schedule turns over to the rest of the American League and the interleague dates the team is already promoting. Closing with a run against the Angels keeps the finish inside the division, which tends to matter more in years when the standings are still being sorted out in late September.
This schedule reveal comes on the heels of a 2025 season Mariners fans won't forget anytime soon. Cal Raleigh turned in a record-breaking year behind the plate, and Ichiro Suzuki was inducted into the Baseball Hall of Fame. That's a tough act to follow, but a schedule built around a home opener, a doubleheader and a full slate of interleague games gives the front office plenty to sell to a fan base that just watched a franchise legend get his bronze plaque.
Before any of that 2026 baseball gets played, Seattle still had business left on the 2025 calendar, including a three-game series at home against the Los Angeles Dodgers from September 26 through 28 to close out that season. Tickets for the new schedule are already available through the team's website, and given how quickly marquee dates tend to sell out at T-Mobile Park, fans with their eye on Opening Day or the Dodgers-style rivalry games would be smart not to wait.
More Info
- Seattle Mariners release 2026 schedule | FOX 13 Seattle Sports
More in Mariners
Mariners' Losing Season Is Official After 2-1 Defeat in Anaheim
A 2-1 loss to the Angels on Tuesday made it official: the Mariners will finish 2026 under .500 for the first time since 2019, and Seattle talk radio spent Wednesday arguing about why.
Logan Gilbert Calls Mariners' Season 'Frustrating' as Losing Record Looms
A 2-1 loss to the Angels sealed the Mariners' first losing season since 2019, and Logan Gilbert and Dan Wilson aren't hiding their frustration. Seattle radio hosts think the fallout could reach the manager's office and the front office.
Seattle Radio Hosts Grill Mariners Front Office and Dan Wilson as Season Slips Away
Seattle Sports 710's Brock and Salk and 93.3 KJR's Ian Furness Show both dug into the Mariners' collapse on September 16, with one host suggesting ownership survey players about the front office and manager Dan Wilson.


