SEASON ARCHIVE

Seattle Mariners 2026 Games

Games played
162
Record
76-86
Run differential
-58
Division
AL West

SEPTEMBER 2026

Sep 27
W
vs Los Angeles Angels LAA
7-3
Siri HR (10), 2 RBI
vs Yusei Kikuchi
Sep 26
W
vs Los Angeles Angels LAA
8-4
vs Ryan Johnson
Sep 25
L
vs Los Angeles Angels LAA
5-7
Moore HR (2), 3 RBI
vs Reid Detmers
Sep 24
L
vs Los Angeles Angels LAA
4-6
vs Grayson Rodriguez
Sep 23
W
vs Houston Astros HOU
6-5
vs Ethan Pecko
Sep 22
L
vs Houston Astros HOU
0-7
Alvarez HR (41), 3 RBI
vs Cristian Javier
Sep 20
W
@ Colorado Rockies COL
2-1
Anderson 7.0 IP, 7 K
vs Tomoyuki Sugano
Sep 19
L
@ Colorado Rockies COL
3-5
Raleigh HR (23), 2 RBI
Sep 18
W
@ Colorado Rockies COL
5-4
Sep 16
W
@ Los Angeles Angels LAA
7-2
Sep 15
L
@ Los Angeles Angels LAA
1-2
Gilbert 6.0 IP, 7 K
Sep 14
L
@ Los Angeles Angels LAA
4-6
Raleigh HR (22), 3 RBI
Sep 13
L
@ Oakland Athletics ATH
7-8
Arozarena 2 HR
Sep 12
W
@ Oakland Athletics ATH
19-1
Young HR (17), 5 RBI
Sep 11
L
@ Oakland Athletics ATH
5-6
Montes HR (3), 2 RBI
Sep 10
W
vs Texas Rangers TEX
4-3
Pederson HR (26), 2 RBI
Sep 9
W
vs Texas Rangers TEX
3-2
Sep 8
L
vs Texas Rangers TEX
5-10
Jansen HR (6), 4 RBI
Sep 6
W
vs Oakland Athletics ATH
2-0
Sep 5
L
vs Oakland Athletics ATH
2-6
Butler HR (13), 2 RBI
Sep 4
L
vs Oakland Athletics ATH
6-7
McNeil HR (8), 2 RBI
Sep 3
L
vs Oakland Athletics ATH
4-7
Sep 2
W
@ Boston Red Sox BOS
8-3
Sep 1
W
@ Boston Red Sox BOS
9-6
Arozarena HR (22), 3 RBI

AUGUST 2026

Aug 31
L
@ Boston Red Sox BOS
8-9
Arozarena HR (21), 4 RBI
Aug 30
L
@ Toronto Blue Jays TOR
0-7
Blue Jays rout Mariners 7-0
Aug 29
L
@ Toronto Blue Jays TOR
3-4
Aug 28
L
@ Toronto Blue Jays TOR
1-8
Blue Jays rout Mariners 8-1
Aug 26
L
vs Philadelphia Phillies PHI
0-6
Aug 25
W
vs Philadelphia Phillies PHI
4-1
Nola 6.0 IP, 7 K
Aug 24
W
vs Philadelphia Phillies PHI
9-2
Aug 23
L
vs Chicago Cubs CHC
2-19
Aug 22
W
vs Chicago Cubs CHC
5-4
Aug 21
W
vs Chicago Cubs CHC
6-5
Aug 20
L
@ Milwaukee Brewers MIL
4-7
Aug 19
W
@ Milwaukee Brewers MIL
7-5
Aug 18
L
@ Milwaukee Brewers MIL
0-22
Aug 16
W
@ Houston Astros HOU
3-2
Aug 15
W
@ Houston Astros HOU
10-5
Aug 14
L
@ Houston Astros HOU
7-10
Aug 13
W
@ New York Yankees NYY
1-0
Aug 12
L
@ New York Yankees NYY
5-10
Aug 11
L
@ New York Yankees NYY
1-4
Aug 9
L
vs Tampa Bay Rays TB
1-4
Aug 8
L
vs Tampa Bay Rays TB
2-3
Aug 7
L
vs Tampa Bay Rays TB
1-2
Aug 6
L
vs Detroit Tigers DET
0-11
Aug 5
W
vs Detroit Tigers DET
4-2
Aug 4
L
vs Detroit Tigers DET
0-8
Aug 2
W
vs Minnesota Twins MIN
7-6
Aug 1
W
vs Minnesota Twins MIN
4-3

JULY 2026

Jul 31
L
vs Minnesota Twins MIN
3-5
Jul 30
L
@ Los Angeles Dodgers LAD
2-6
Jul 29
L
@ Los Angeles Dodgers LAD
2-4
Jul 28
W
@ Los Angeles Dodgers LAD
7-6
Jul 27
L
@ Texas Rangers TEX
3-7
Jul 26
W
@ Texas Rangers TEX
6-4
Jul 25
L
@ Texas Rangers TEX
1-7
Jul 24
L
@ Texas Rangers TEX
4-5
Jul 22
L
vs Cincinnati Reds CIN
3-5
Jul 21
L
vs Cincinnati Reds CIN
2-4
Jul 20
W
vs Cincinnati Reds CIN
8-0
Jul 19
W
vs San Francisco Giants SF
6-3
Jul 18
W
vs San Francisco Giants SF
4-3
Jul 17
L
vs San Francisco Giants SF
0-7
Jul 12
W
@ Tampa Bay Rays TB
8-2
Jul 11
L
@ Tampa Bay Rays TB
1-6
Jul 10
L
@ Tampa Bay Rays TB
2-7
Jul 9
L
@ Miami Marlins MIA
4-8
Jul 8
L
@ Miami Marlins MIA
0-2
Jul 7
L
@ Miami Marlins MIA
5-6
Jul 5
W
vs Toronto Blue Jays TOR
4-0
Jul 4
W
vs Toronto Blue Jays TOR
11-0
Jul 3
L
vs Toronto Blue Jays TOR
0-2
Jul 2
W
vs Los Angeles Angels LAA
1-0

JUNE 2026

Jun 30
W
vs Los Angeles Angels LAA
8-3
Jun 29
W
vs Los Angeles Angels LAA
6-2
Jun 28
L
@ Cleveland Guardians CLE
5-6
Jun 27
L
@ Cleveland Guardians CLE
3-4
Jun 26
W
@ Cleveland Guardians CLE
3-1
Jun 25
L
@ Pittsburgh Pirates PIT
1-5
Jun 24
L
@ Pittsburgh Pirates PIT
1-11
Jun 23
W
@ Pittsburgh Pirates PIT
3-2
Jun 21
W
vs Boston Red Sox BOS
3-1
Jun 20
L
vs Boston Red Sox BOS
1-5
Jun 19
L
vs Boston Red Sox BOS
2-6
Jun 18
W
vs Baltimore Orioles BAL
3-0
Jun 17
L
vs Baltimore Orioles BAL
3-5
Jun 16
W
vs Baltimore Orioles BAL
3-1
Jun 14
L
@ Washington Nationals WSH
1-10
Jun 13
L
@ Washington Nationals WSH
3-8
Jun 12
W
@ Washington Nationals WSH
10-2
Jun 11
L
@ Baltimore Orioles BAL
5-7
Jun 10
L
@ Baltimore Orioles BAL
2-7
Jun 9
W
@ Baltimore Orioles BAL
6-5
Jun 8
W
@ Baltimore Orioles BAL
6-3
Jun 7
L
@ Detroit Tigers DET
4-5
Jun 6
W
@ Detroit Tigers DET
4-0
Jun 5
L
@ Detroit Tigers DET
3-7
Jun 3
L
vs New York Mets NYM
1-7
Jun 2
W
vs New York Mets NYM
8-3
Jun 1
W
vs New York Mets NYM
3-2

MAY 2026

May 31
W
vs Arizona Diamondbacks AZ
3-2
May 30
W
vs Arizona Diamondbacks AZ
5-1
May 29
W
vs Arizona Diamondbacks AZ
7-6
May 27
W
@ Oakland Athletics ATH
9-1
May 26
W
@ Oakland Athletics ATH
4-1
May 25
W
@ Oakland Athletics ATH
9-2
May 24
L
@ Kansas City Royals KC
6-8
May 23
L
@ Kansas City Royals KC
0-5
May 22
W
@ Kansas City Royals KC
2-0
May 20
W
vs Chicago White Sox CWS
5-4
May 19
L
vs Chicago White Sox CWS
1-2
May 18
W
vs Chicago White Sox CWS
6-1
May 17
L
vs San Diego Padres SD
3-8
May 16
L
vs San Diego Padres SD
4-7
May 15
L
vs San Diego Padres SD
0-2
May 14
W
@ Houston Astros HOU
8-3
May 13
L
@ Houston Astros HOU
3-4
May 12
W
@ Houston Astros HOU
10-2
May 11
W
@ Houston Astros HOU
3-1
May 10
L
@ Chicago White Sox CWS
1-2
May 9
L
@ Chicago White Sox CWS
1-6
May 8
W
@ Chicago White Sox CWS
12-8
May 6
W
vs Atlanta Braves ATL
3-1
May 5
L
vs Atlanta Braves ATL
2-3
May 4
W
vs Atlanta Braves ATL
5-4
May 3
L
vs Kansas City Royals KC
1-4
May 2
L
vs Kansas City Royals KC
2-3
May 1
L
vs Kansas City Royals KC
6-7

APRIL 2026

Apr 29
W
@ Minnesota Twins MIN
5-3
Apr 28
W
@ Minnesota Twins MIN
7-1
Apr 27
L
@ Minnesota Twins MIN
4-11
Apr 26
W
@ St. Louis Cardinals STL
3-2
Apr 25
W
@ St. Louis Cardinals STL
11-9
Apr 24
W
@ St. Louis Cardinals STL
3-2
Apr 22
W
vs Oakland Athletics ATH
5-4
Apr 21
L
vs Oakland Athletics ATH
2-5
Apr 20
L
vs Oakland Athletics ATH
4-6
Apr 19
W
vs Texas Rangers TEX
5-2
Apr 18
W
vs Texas Rangers TEX
7-3
Apr 17
L
vs Texas Rangers TEX
0-5
Apr 16
L
@ San Diego Padres SD
2-5
Apr 15
L
@ San Diego Padres SD
6-7
Apr 14
L
@ San Diego Padres SD
1-4
Apr 13
W
vs Houston Astros HOU
6-2
Apr 12
W
vs Houston Astros HOU
6-1
Apr 11
W
vs Houston Astros HOU
8-7
Apr 10
W
vs Houston Astros HOU
9-6
Apr 8
L
@ Texas Rangers TEX
0-3
Apr 7
L
@ Texas Rangers TEX
2-3
Apr 6
L
@ Texas Rangers TEX
1-2
Apr 5
L
@ Los Angeles Angels LAA
7-8
Apr 4
L
@ Los Angeles Angels LAA
0-1
Apr 3
W
@ Los Angeles Angels LAA
3-1
Apr 1
L
vs New York Yankees NYY
3-5

MARCH 2026

Mar 31
L
vs New York Yankees NYY
0-5
Mar 30
W
vs New York Yankees NYY
2-1
Mar 29
W
vs Cleveland Guardians CLE
8-0
Mar 28
L
vs Cleveland Guardians CLE
5-6
Mar 27
W
vs Cleveland Guardians CLE
5-1
Mar 26
L
vs Cleveland Guardians CLE
4-6

Keep reading

TEAM DASHBOARD
Roster, bullpen, lineup analysis →
AL WEST
Division standings & counterfactual →
FULL STANDINGS
All 30 teams · actual + optimal →

Methodology

Game data comes live from the MLB Stats API. Per-game manager decision costs shown for the trailing seven games derive from the same lineup-cost analyzer surfaced on /managers. See /methodology for the full simulation, Marcel projection, and grading details.