The 2026 Major League Baseball season has reached its high-stakes summer stretch, and the Seattle Mariners are battling through the AL West divisional race. To help you track every out of the 162-game marathon, we have updated our signature Free 2026 Seattle Mariners Printable Schedule (PDF) with finalized broadcast information, local time zones, and summer pitching rotations.
- Season: 162 games from late March through September 2026, plus the postseason for playoff qualifiers.
- National TV: FOX and FS1 (Saturdays and the World Series), NBC and Peacock (Sunday Night Baseball and the Wild Card round), TBS (Tuesday nights), Apple TV+ (Friday nights), and Netflix (Opening Night and special events).
- Local and streaming: most games air on your team regional sports network; out-of-market games stream on MLB.TV.
This year’s schedule features a significant shift in how you watch the games, including the debut of Sunday Night Baseball on Peacock and a high number of national TV appearances.
2026 Seattle Mariners Schedule: Summer Divisional Stretch
Last Updated: September 1, 2026
When is the next Seattle Mariners game on TV? The Seattle Mariners open a 1-game road series at the Boston Red Sox on Wednesday, September 2, 2026. First pitch is set for 4:10 PM ET (1:10 PM PT). The game broadcasts on Mariners.TV and is available out-of-market on MLB.tv.
Next Up: 1-Game Road Series at Boston Red Sox
| Wed, Sep 2 | 4:10 PM ET | Mariners.TV | Series Opener |
Fan Note: Right after the Boston Red Sox series, the Seattle Mariners host the Athletics (Sep 3 – 6). Use the printable download above to print your road-trip tracker.
Remaining 2026 Seattle Mariners Schedule
The full remaining 2026 Seattle Mariners schedule, broken out by month. All times are Eastern. Times and TV are subject to change.
September 2026
| Date | Matchup | Time (ET) | TV |
|---|---|---|---|
| Tue, Sep 1 | @ Boston Red Sox | 6:45 PM ET | Mariners.TV |
| Wed, Sep 2 | @ Boston Red Sox | 4:10 PM ET | Mariners.TV |
| Thu, Sep 3 | vs Athletics | 9:40 PM ET | Mariners.TV |
| Fri, Sep 4 | vs Athletics | 10:10 PM ET | Mariners.TV |
| Sat, Sep 5 | vs Athletics | 9:40 PM ET | Mariners.TV |
| Sun, Sep 6 | vs Athletics | 4:10 PM ET | ESPN Unlmtd |
| Tue, Sep 8 | vs Texas Rangers | 9:40 PM ET | Mariners.TV |
| Wed, Sep 9 | vs Texas Rangers | 4:10 PM ET | Mariners.TV |
| Thu, Sep 10 | vs Texas Rangers | 4:10 PM ET | Mariners.TV |
| Fri, Sep 11 | @ Athletics | 9:40 PM ET | Mariners.TV |
| Sat, Sep 12 | @ Athletics | 9:40 PM ET | Mariners.TV |
| Sun, Sep 13 | @ Athletics | 4:05 PM ET | Mariners.TV |
| Mon, Sep 14 | @ Los Angeles Angels | 9:38 PM ET | Mariners.TV |
| Tue, Sep 15 | @ Los Angeles Angels | 9:38 PM ET | Mariners.TV |
| Wed, Sep 16 | @ Los Angeles Angels | 9:38 PM ET | Mariners.TV |
| Fri, Sep 18 | @ Colorado Rockies | 8:10 PM ET | Mariners.TV |
| Sat, Sep 19 | @ Colorado Rockies | 8:10 PM ET | Mariners.TV |
| Sun, Sep 20 | @ Colorado Rockies | 3:10 PM ET | Mariners.TV |
| Tue, Sep 22 | vs Houston Astros | 9:40 PM ET | Mariners.TV |
| Wed, Sep 23 | vs Houston Astros | 10:10 PM ET | MLB.tv |
| Thu, Sep 24 | vs Los Angeles Angels | 9:40 PM ET | Mariners.TV |
| Fri, Sep 25 | vs Los Angeles Angels | 10:10 PM ET | Mariners.TV |
| Sat, Sep 26 | vs Los Angeles Angels | 9:40 PM ET | Mariners.TV |
| Sun, Sep 27 | vs Los Angeles Angels | 3:10 PM ET | Mariners.TV |
2026 Mariners National TV Schedule
Due to their 90-win season in 2025, the Mariners are currently slated for 13 national TV games (subject to change with flex scheduling).
- Sunday Night Baseball (NBC/Peacock): March 29 (vs. CLE), May 17 (vs. SD), August 16 (@ HOU).
- Tuesday Night MLB (TBS): March 31 (vs. NYY).
- Friday Night Baseball (Apple TV+): March 27 (vs. CLE), May 1 (vs. TEX).
- Saturday Baseball (FOX/FS1): April 18 (vs. TEX).
How to Watch the Mariners in 2026
1. Root Sports / Mariners.TV (In-Market)
For fans in the Pacific Northwest, most games remain on your local Regional Sports Network. If you have “cut the cord,” you can subscribe directly to Mariners.TV for in-market streaming.
2. Peacock (The New Sunday Home)
Starting this season, Sunday Night Baseball has moved from ESPN to NBC and Peacock. Tonight’s game against the Guardians (March 29) is a Peacock Exclusive. You will need a Peacock Premium subscription to watch, as it will be blacked out on Root Sports and MLB.TV.
3. Apple TV+
The Mariners are a staple of “Friday Night Baseball.” These games are exclusive to Apple TV+ and do not require a separate MLB.TV subscription.
Keep every first pitch and giveaway night on your fridge. Our printable PDF includes the full 162-game slate, including the newly added national TV windows.
2026 Seattle Mariners & MLB Season Resources
Stay ahead of the 162-game grind with these essential guides and tools for the 2026 season:
- 2026 MLB Standings: Division Races and Playoff Picture
- 2026 MLB Playoff Bracket & Postseason Schedule: Updated for 2026. Plan for October with key dates for the Wild Card (Sept 29), Division Series (Oct 3), and World Series (Oct 22).
- How to Watch MLB Without Cable in 2026: A complete breakdown of the new streaming landscape. Learn how to navigate the shift of Sunday Night Baseball to Peacock, Friday nights on Apple TV+, and the launch of the new in-market Mariners.TV service ($19.99/mo).
- 2026 Mariners Promotions & Giveaways: Never miss a bobblehead night. Highlights for 2026 include the Ichiro Replica Statue (April 10), the Cal Raleigh “60 Home Run” Bobblehead (March 28), and the 50th Season Celebration (August 8).
- 2026 MLB Schedules – Printable Schedules for all MLB teams for you to follow the action this season.
2026 Mariners Schedule FAQ
Who did the Mariners play on Opening Day 2026?
The Mariners hosted the Cleveland Guardians on March 26, 2026. Logan Gilbert made his second consecutive Opening Day start for Seattle.
Why is tonight’s Mariners game not on Root Sports?
Tonight’s game (Sunday, March 29) is a national exclusive on Peacock. Because NBC/Peacock now owns the Sunday Night Baseball rights, local networks are not permitted to broadcast the game.
How many games do the Mariners play against the AL West?
Under the balanced schedule format, the Mariners play 52 games against divisional rivals (Angels, Athletics, Astros, and Rangers), consisting of 13 games (two series home/away) against each team.
When is the 2026 MLB All-Star Game?
While the Mariners hosted recently, the 2026 All-Star Game will take place in Philadelphia at Citizens Bank Park in July.
