MLB
Seattle Mariners Schedule 2026
Updated August 27, 2026 — times ET, broadcast info subject to change
Full 2026 Schedule
| Date | Opponent | Time / Result | TV |
|---|---|---|---|
| Thu, Mar 26 | vs Cleveland Guardians | L 4-6 | MLB.TV, CLEGuardians.TV, Mariners.TV |
| Fri, Mar 27 | vs Cleveland Guardians | W 5-1 | Apple TV |
| Sat, Mar 28 | vs Cleveland Guardians | L 5-6 | MLB.TV, CLEGuardians.TV, Mariners.TV, MLB Net |
| Sun, Mar 29 | vs Cleveland Guardians | W 8-0 | Peacock |
| Mon, Mar 30 | vs New York Yankees | W 2-1 | MLB.TV, Mariners.TV, YES |
| Tue, Mar 31 | vs New York Yankees | L 0-5 | MLB.TV, TBS, Mariners.TV, YES |
| Wed, Apr 1 | vs New York Yankees | L 3-5 | MLB.TV, Mariners.TV, YES |
| Fri, Apr 3 | @ Los Angeles Angels | W 3-1 | MLB.TV, FanDuel SN West, Mariners.TV |
| Sat, Apr 4 | @ Los Angeles Angels | L 0-1 | MLB.TV, FanDuel SN West, Mariners.TV |
| Sun, Apr 5 | @ Los Angeles Angels | L 7-8 | MLB.TV, FanDuel SN West, Mariners.TV |
| Mon, Apr 6 | @ Texas Rangers | L 1-2 | MLB.TV, Rangers Sports Network, Mariners.TV |
| Tue, Apr 7 | @ Texas Rangers | L 2-3 | MLB.TV, Rangers Sports Network, Mariners.TV |
| Wed, Apr 8 | @ Texas Rangers | L 0-3 | MLB.TV, Rangers Sports Network, Mariners.TV |
| Fri, Apr 10 | vs Houston Astros | W 9-6 | MLB.TV, Space City Home Network, Mariners.TV, KING 5 |
| Sat, Apr 11 | vs Houston Astros | W 8-7 | ESPN Unlmtd, MLB.TV, Space City Home Network, Mariners.TV |
| Sun, Apr 12 | vs Houston Astros | W 6-1 | MLB.TV, Space City Home Network, Mariners.TV |
| Mon, Apr 13 | vs Houston Astros | W 6-2 | MLB.TV, Space City Home Network, Mariners.TV |
| Tue, Apr 14 | @ San Diego Padres | L 1-4 | ESPN Unlmtd, MLB.TV, Padres.TV, Mariners.TV |
| Wed, Apr 15 | @ San Diego Padres | L 6-7 | MLB.TV, Padres.TV, Mariners.TV |
| Thu, Apr 16 | @ San Diego Padres | L 2-5 | MLB.TV, MLB Net, Padres.TV, Mariners.TV |
| Fri, Apr 17 | vs Texas Rangers | L 0-5 | MLB.TV, Rangers Sports Network, Mariners.TV, KING 5 |
| Sat, Apr 18 | vs Texas Rangers | W 7-3 | FOX, MLB.TV |
| Sun, Apr 19 | vs Texas Rangers | W 5-2 | MLB.TV, Rangers Sports Network, Mariners.TV |
| Mon, Apr 20 | vs Athletics | L 4-6 | MLB.TV, NBC Sports CA, Mariners.TV |
| Tue, Apr 21 | vs Athletics | L 2-5 | MLB.TV, NBC Sports CA, Mariners.TV |
| Wed, Apr 22 | vs Athletics | W 5-4 | MLB.TV, NBC Sports CA, Mariners.TV |
| Fri, Apr 24 | @ St. Louis Cardinals | W 3-2 | MLB.TV, Cardinals.TV, Mariners.TV, KMOV-TV |
| Sat, Apr 25 | @ St. Louis Cardinals | W 11-9 | MLB.TV, Cardinals.TV, Mariners.TV |
| Sun, Apr 26 | @ St. Louis Cardinals | W 3-2 | MLB.TV, Cardinals.TV, Mariners.TV |
| Mon, Apr 27 | @ Minnesota Twins | L 4-11 | MLB.TV, FS1, Twins.TV, Mariners.TV |
| Tue, Apr 28 | @ Minnesota Twins | W 7-1 | MLB.TV, Twins.TV, Mariners.TV, KMSP-TV, Gray Media |
| Wed, Apr 29 | @ Minnesota Twins | W 5-3 | MLB.TV, Twins.TV, Mariners.TV |
| Fri, May 1 | vs Kansas City Royals | L 6-7 | Apple TV |
| Sat, May 2 | vs Kansas City Royals | L 2-3 | MLB.TV, Royals.TV, Mariners.TV |
| Sun, May 3 | vs Kansas City Royals | L 1-4 | MLB.TV, Royals.TV, Mariners.TV |
| Mon, May 4 | vs Atlanta Braves | W 5-4 | MLB.TV, BravesVision, Mariners.TV |
| Tue, May 5 | vs Atlanta Braves | L 2-3 | MLB.TV, BravesVision, Mariners.TV, Gray Media |
| Wed, May 6 | vs Atlanta Braves | W 3-1 | MLB.TV, BravesVision, Mariners.TV |
| Fri, May 8 | @ Chicago White Sox | W 12-8 | ESPN Unlmtd, MLB.TV, CHSN, Mariners.TV, WCIU-TV |
| Sat, May 9 | @ Chicago White Sox | L 1-6 | MLB.TV, CHSN, Mariners.TV |
| Sun, May 10 | @ Chicago White Sox | L 1-2 | MLB.TV, CHSN, Mariners.TV |
| Mon, May 11 | @ Houston Astros | W 3-1 | MLB.TV, FS1, Space City Home Network, Mariners.TV |
| Tue, May 12 | @ Houston Astros | W 10-2 | MLB.TV, Space City Home Network, Mariners.TV |
| Wed, May 13 | @ Houston Astros | L 3-4 | MLB.TV, Space City Home Network, Mariners.TV |
| Thu, May 14 | @ Houston Astros | W 8-3 | MLB.TV, Space City Home Network, Mariners.TV |
| Fri, May 15 | vs San Diego Padres | L 0-2 | MLB.TV, Padres.TV, Mariners.TV, KING 5 |
| Sat, May 16 | vs San Diego Padres | L 4-7 | MLB.TV, FOX |
| Sun, May 17 | vs San Diego Padres | L 3-8 | Peacock, NBC, ERADM |
| Mon, May 18 | vs Chicago White Sox | W 6-1 | ESPN Unlmtd, MLB.TV, CHSN, Mariners.TV |
| Tue, May 19 | vs Chicago White Sox | L 1-2 | MLB.TV, CHSN, Mariners.TV |
| Wed, May 20 | vs Chicago White Sox | W 5-4 | MLB.TV, CHSN, Mariners.TV |
| Fri, May 22 | @ Kansas City Royals | W 2-0 | MLB.TV, Mariners.TV, Royals.TV, KCTV5 |
| Sat, May 23 | @ Kansas City Royals | L 0-5 | MLB.TV, FS1, Royals.TV, Mariners.TV |
| Sun, May 24 | @ Kansas City Royals | L 6-8 | MLB.TV, Royals.TV, Mariners.TV |
| Mon, May 25 | @ Athletics | W 9-2 | MLB.TV, NBC Sports CA, Mariners.TV |
| Tue, May 26 | @ Athletics | W 4-1 | ESPN Unlmtd, MLB.TV, NBC Sports CA, Mariners.TV |
| Wed, May 27 | @ Athletics | W 9-1 | MLB.TV, NBC Sports CA, Mariners.TV |
| Fri, May 29 | vs Arizona Diamondbacks | W 7-6 | MLB.TV, DBACKS.TV, Mariners.TV, KING 5 |
| Sat, May 30 | vs Arizona Diamondbacks | W 5-1 | MLB.TV, DBACKS.TV, Mariners.TV |
| Sun, May 31 | vs Arizona Diamondbacks | W 3-2 | MLB.TV, DBACKS.TV, Mariners.TV |
| Mon, Jun 1 | vs New York Mets | W 3-2 | MLB.TV, Mariners.TV, SNY |
| Tue, Jun 2 | vs New York Mets | W 8-3 | MLB.TV, Mariners.TV, SNY |
| Wed, Jun 3 | vs New York Mets | L 1-7 | MLB.TV, Mariners.TV, SNY |
| Fri, Jun 5 | @ Detroit Tigers | L 3-7 | MLB.TV, Tigers.TV, Mariners.TV |
| Sat, Jun 6 | @ Detroit Tigers | W 4-0 | MLB.TV, Tigers.TV, Mariners.TV |
| Sun, Jun 7 | @ Detroit Tigers | L 4-5 | MLB.TV, Tigers.TV, Mariners.TV |
| Mon, Jun 8 | @ Baltimore Orioles | W 6-3 | MLB.TV, MASN, Mariners.TV |
| Tue, Jun 9 | @ Baltimore Orioles | W 6-5 | MLB.TV, MASN, Mariners.TV |
| Wed, Jun 10 | @ Baltimore Orioles | L 2-7 | MLB.TV, MASN, Mariners.TV |
| Thu, Jun 11 | @ Baltimore Orioles | L 5-7 | ESPN, MLB.TV |
| Fri, Jun 12 | @ Washington Nationals | W 10-2 | MLB.TV, Mariners.TV, Nationals.TV |
| Sat, Jun 13 | @ Washington Nationals | L 3-8 | MLB.TV, Mariners.TV, Nationals.TV |
| Sun, Jun 14 | @ Washington Nationals | L 1-10 | MLB.TV, Mariners.TV, Nationals.TV |
| Tue, Jun 16 | vs Baltimore Orioles | W 3-1 | MLB.TV, MASN, Mariners.TV |
| Wed, Jun 17 | vs Baltimore Orioles | L 3-5 | MLB.TV, MASN, Mariners.TV |
| Thu, Jun 18 | vs Baltimore Orioles | W 3-0 | MLB.TV, MASN, Mariners.TV |
| Fri, Jun 19 | vs Boston Red Sox | L 2-6 | MLB.TV, Mariners.TV, KING 5, NESN |
| Sat, Jun 20 | vs Boston Red Sox | L 1-5 | MLB.TV, Mariners.TV, NESN |
| Sun, Jun 21 | vs Boston Red Sox | W 3-1 | MLB.TV, Mariners.TV, NESN |
| Tue, Jun 23 | @ Pittsburgh Pirates | W 3-2 | MLB.TV, Mariners.TV |
| Wed, Jun 24 | @ Pittsburgh Pirates | L 1-11 | MLB.TV, Mariners.TV |
| Thu, Jun 25 | @ Pittsburgh Pirates | L 1-5 | MLB.TV, Mariners.TV |
| Fri, Jun 26 | @ Cleveland Guardians | W 3-1 | MLB.TV, CLEGuardians.TV, WKYC 3, Mariners.TV |
| Sat, Jun 27 | @ Cleveland Guardians | L 3-4 | MLB.TV, CLEGuardians.TV, Mariners.TV |
| Sun, Jun 28 | @ Cleveland Guardians | L 5-6 | MLB.TV, CLEGuardians.TV, Mariners.TV |
| Mon, Jun 29 | vs Los Angeles Angels | W 6-2 | ESPN Unlmtd, MLB.TV, Mariners.TV, Angels.TV |
| Tue, Jun 30 | vs Los Angeles Angels | W 8-3 | MLB.TV, Mariners.TV, Angels.TV |
| Thu, Jul 2 | vs Los Angeles Angels | W 1-0 | MLB.TV, Mariners.TV, Angels.TV |
| Fri, Jul 3 | vs Toronto Blue Jays | L 0-2 | MLB.TV, Mariners.TV, Sportsnet, KING 5 |
| Sat, Jul 4 | vs Toronto Blue Jays | W 11-0 | MLB.TV, Mariners.TV, Sportsnet, TVA, ERADM |
| Sun, Jul 5 | vs Toronto Blue Jays | W 4-0 | Peacock, Sportsnet, TVA, NBCSN |
| Tue, Jul 7 | @ Miami Marlins | L 5-6 | MLB.TV, Marlins.TV, Mariners.TV |
| Wed, Jul 8 | @ Miami Marlins | L 0-2 | MLB.TV, Marlins.TV, Mariners.TV |
| Thu, Jul 9 | @ Miami Marlins | L 4-8 | MLB.TV, Marlins.TV, Mariners.TV |
| Fri, Jul 10 | @ Tampa Bay Rays | L 2-7 | ESPN Unlmtd, MLB.TV, Rays.TV, Mariners.TV |
| Sat, Jul 11 | @ Tampa Bay Rays | L 1-6 | MLB.TV, Rays.TV, Mariners.TV |
| Sun, Jul 12 | @ Tampa Bay Rays | W 8-2 | MLB.TV, Rays.TV, Mariners.TV |
| Fri, Jul 17 | vs San Francisco Giants | L 0-7 | MLB.TV, NBC Sports BA, Mariners.TV, KING 5 |
| Sat, Jul 18 | vs San Francisco Giants | W 4-3 | MLB.TV, FOX |
| Sun, Jul 19 | vs San Francisco Giants | W 6-3 | ESPN Unlmtd, MLB.TV, NBC Sports BA, Mariners.TV |
| Mon, Jul 20 | vs Cincinnati Reds | W 8-0 | MLB.TV, Gray Media, WXIX FOX19, Reds.TV, Mariners.TV |
| Tue, Jul 21 | vs Cincinnati Reds | L 2-4 | MLB.TV, Reds.TV, Mariners.TV |
| Wed, Jul 22 | vs Cincinnati Reds | L 3-5 | MLB.TV, Reds.TV, Mariners.TV |
| Fri, Jul 24 | @ Texas Rangers | L 4-5 | MLB.TV, CW33, Mariners.TV |
| Sat, Jul 25 | @ Texas Rangers | L 1-7 | MLB.TV, FOX |
| Sun, Jul 26 | @ Texas Rangers | W 6-4 | MLB.TV, Rangers Sports Network, Mariners.TV |
| Mon, Jul 27 | @ Texas Rangers | L 3-7 | ESPN Unlmtd, MLB.TV, Rangers Sports Network, Mariners.TV |
| Tue, Jul 28 | @ Los Angeles Dodgers | W 7-6 | MLB.TV, SportsNet LA, Mariners.TV |
| Wed, Jul 29 | @ Los Angeles Dodgers | L 2-4 | MLB.TV, SportsNet LA, Mariners.TV |
| Thu, Jul 30 | @ Los Angeles Dodgers | L 2-6 | MLB.TV, SportsNet LA, Mariners.TV, MLB Net |
| Fri, Jul 31 | vs Minnesota Twins | L 3-5 | MLB.TV, Twins.TV, Mariners.TV, KING 5 |
| Sat, Aug 1 | vs Minnesota Twins | W 4-3 | MLB.TV, FS1, Twins.TV, Mariners.TV |
| Sun, Aug 2 | vs Minnesota Twins | W 7-6 | MLB.TV, Twins.TV, Mariners.TV |
| Tue, Aug 4 | vs Detroit Tigers | L 0-8 | MLB.TV, Tigers.TV, Mariners.TV |
| Wed, Aug 5 | vs Detroit Tigers | W 4-2 | MLB.TV, Tigers.TV, Mariners.TV |
| Thu, Aug 6 | vs Detroit Tigers | L 0-11 | MLB.TV, Tigers.TV, Mariners.TV |
| Fri, Aug 7 | vs Tampa Bay Rays | L 1-2 | Apple TV |
| Sat, Aug 8 | vs Tampa Bay Rays | L 2-3 | ESPN Unlmtd, MLB.TV, Rays.TV, Mariners.TV |
| Sun, Aug 9 | vs Tampa Bay Rays | L 1-4 | MLB.TV, Rays.TV, Mariners.TV, WMOR |
| Tue, Aug 11 | @ New York Yankees | L 1-4 | MLB.TV, Mariners.TV, YES, TBS |
| Wed, Aug 12 | @ New York Yankees | L 5-10 | ESPN |
| Thu, Aug 13 | @ New York Yankees | W 1-0 | ESPN Unlmtd, MLB.TV, Mariners.TV, YES |
| Fri, Aug 14 | @ Houston Astros | L 7-10 | MLB.TV, Space City Home Network, Mariners.TV, Space City Home (Alt.) |
| Sat, Aug 15 | @ Houston Astros | W 10-5 | MLB.TV, Space City Home Network, Mariners.TV, Space City Home (Alt.) |
| Sun, Aug 16 | @ Houston Astros | W 3-2 | NBC, ERADM |
| Tue, Aug 18 | @ Milwaukee Brewers | L 0-22 | MLB.TV, Brewers.TV, Mariners.TV |
| Wed, Aug 19 | @ Milwaukee Brewers | W 7-5 | MLB.TV, Brewers.TV, Mariners.TV |
| Thu, Aug 20 | @ Milwaukee Brewers | L 4-7 | MLB.TV, Brewers.TV, Mariners.TV |
| Fri, Aug 21 | vs Chicago Cubs | W 6-5 | MLB.TV, Marquee Sports Net, Mariners.TV, KING 5 |
| Sat, Aug 22 | vs Chicago Cubs | W 5-4 | MLB.TV, FOX |
| Sun, Aug 23 | vs Chicago Cubs | L 2-19 | MLB.TV, Marquee Sports Net, Mariners.TV |
| Mon, Aug 24 | vs Philadelphia Phillies | W 9-2 | MLB.TV, NBC Sports Phil, Mariners.TV |
| Tue, Aug 25 | vs Philadelphia Phillies | W 4-1 | MLB.TV, NBC Sports Phil, Mariners.TV |
| Wed, Aug 26 | vs Philadelphia Phillies | L 0-6 | MLB.TV, Mariners.TV, NBC Sports Phil |
| Fri, Aug 28 | @ Toronto Blue Jays | 7:15 PM ET | Apple TV |
| Sat, Aug 29 | @ Toronto Blue Jays | 3:07 PM ET | MLB.TV, Mariners.TV, Sportsnet, TVA |
| Sun, Aug 30 | @ Toronto Blue Jays | 1:37 PM ET | MLB.TV, Mariners.TV, Sportsnet, TVA |
| Mon, Aug 31 | @ Boston Red Sox | 6:45 PM ET | MLB.TV, Mariners.TV, NESN |
| Tue, Sep 1 | @ Boston Red Sox | 6:45 PM ET | MLB.TV, Mariners.TV, NESN |
| Wed, Sep 2 | @ Boston Red Sox | 4:10 PM ET | MLB.TV, Mariners.TV, NESN |
| Thu, Sep 3 | vs Athletics | 9:40 PM ET | MLB.TV, NBC Sports CA, Mariners.TV |
| Fri, Sep 4 | vs Athletics | 10:10 PM ET | MLB.TV, NBC Sports CA, Mariners.TV |
| Sat, Sep 5 | vs Athletics | 9:40 PM ET | MLB.TV, NBC Sports CA, Mariners.TV |
| Sun, Sep 6 | vs Athletics | 4:10 PM ET | ESPN Unlmtd, MLB.TV, NBC Sports CA, Mariners.TV |
| Tue, Sep 8 | vs Texas Rangers | 9:40 PM ET | MLB.TV, Rangers Sports Network, Mariners.TV |
| Wed, Sep 9 | vs Texas Rangers | 4:10 PM ET | MLB.TV, Rangers Sports Network, Mariners.TV |
| Thu, Sep 10 | vs Texas Rangers | 4:10 PM ET | MLB.TV, Rangers Sports Network, Mariners.TV |
| Fri, Sep 11 | @ Athletics | 9:40 PM ET | MLB.TV, NBC Sports CA, Mariners.TV |
| Sat, Sep 12 | @ Athletics | 9:40 PM ET | MLB.TV, NBC Sports CA, Mariners.TV |
| Sun, Sep 13 | @ Athletics | 4:05 PM ET | MLB.TV, NBC Sports CA, Mariners.TV |
| Mon, Sep 14 | @ Los Angeles Angels | 9:38 PM ET | MLB.TV, Mariners.TV, Angels.TV |
| Tue, Sep 15 | @ Los Angeles Angels | 9:38 PM ET | MLB.TV, Mariners.TV, Angels.TV |
| Wed, Sep 16 | @ Los Angeles Angels | 9:38 PM ET | MLB.TV, Mariners.TV, Angels.TV |
| Fri, Sep 18 | @ Colorado Rockies | 8:10 PM ET | MLB.TV, Rockies.TV, Mariners.TV |
| Sat, Sep 19 | @ Colorado Rockies | 8:10 PM ET | MLB.TV, Rockies.TV, Mariners.TV |
| Sun, Sep 20 | @ Colorado Rockies | 3:10 PM ET | MLB.TV, Rockies.TV, Mariners.TV |
| Tue, Sep 22 | vs Houston Astros | 9:40 PM ET | MLB.TV, Space City Home Network, Mariners.TV |
| Wed, Sep 23 | vs Houston Astros | 10:10 PM ET | MLB.TV, Space City Home Network |
| Thu, Sep 24 | vs Los Angeles Angels | 9:40 PM ET | MLB.TV, Mariners.TV, Angels.TV |
| Fri, Sep 25 | vs Los Angeles Angels | 10:10 PM ET | MLB.TV, Mariners.TV, Angels.TV |
| Sat, Sep 26 | vs Los Angeles Angels | 9:40 PM ET | MLB.TV, Mariners.TV, Angels.TV |
| Sun, Sep 27 | vs Los Angeles Angels | 3:10 PM ET | MLB.TV, Mariners.TV, Angels.TV |
134 played · 28 remaining